ORDER
The opinion filed May 10, 1990, is hereby WITHDRAWN. The opinion submitted herewith shall be filed in its stead.
*440 OPINION
Miguel Rodriguez-Castro challenges the sentence imposed upon him after he pled guilty to transportation of an undocumented alien, a violation of 8 U.S.C. § 1324(a)(1)(B). Rodriguez-Castro argues that his 54-month prison term is outside the range of the applicable Sentencing Guideline (“the guidelines”) and is unreasonable. He further contends that his sentence is illegal because the combination of his terms of imprisonment and supervised release exceeds the statutory maximum. Although we agree with most of the district court’s reasoning, we must remand on the basis that the court failed to adequately explain the extent of its departure.
I
On January 2, 1988, border patrol agents saw a pickup truck stop near the United States-Mexico border and turn off its lights. As the agents watched, several people ran from the border and entered the truck which then proceeded west, still with its lights off. The agents activated their red lights and attempted to stop the vehicle, but the driver, later identified as Rodriguez-Castro, refused to yield. Instead, he led the agents on a three-mile chase at speeds as high as 75 miles per hour. Rodriguez-Castro was apprehended only after he jumped from the truck while it was still moving. Although the vehicle contained fifteen passengers, no one was injured.
Rodriguez-Castro has a history of convictions for immigration offenses, including three convictions for illegal entry and two for aiding and abetting illegal entry. On at least one prior occasion, he led the police on a similar high speed chase in which he rammed a border patrol vehicle with a stolen automobile containing fourteen undocumented aliens. During each of his five previous arrests, Rodriguez-Castro gave the authorities a different false name.
The applicable guideline range for Rodriguez-Castro’s present offense, as indicated in the presentence report, is 12 to 18 months. The district court nonetheless departed from the guidelines and sentenced Rodriguez-Castro to 54 months in prison followed by three years of supervised release, stating: “The reason I am imposing that term is primarily because of the high-speed chase, the names that you have given each time you have been apprehended in the criminal justice system, [and] the fact that you have been engaged in high-speed chases before.” This appeal followed.
II
We review district court departures from the guidelines under the five-step standard announced in
United States v. Lira-Barraza,
*441 The second step of our review requires a determination of whether the circumstances identified by the district court as warranting departure actually exist. In essence, this step calls for a review of a district court’s factual findings, and is thus subject to clearly erroneous review. See id. at 984. We are unprepared to say that the court below committed clear error by finding that appellant either repeatedly provided authorities with fictitious names when arrested or previously engaged in a high-speed chase with law enforcement officials. Appellant does not even dispute these findings. And although appellant insists that he did not engage in a chase prior to being arrested for the crime for which he was sentenced below, the district court did not err by finding otherwise. Rodriguez-Castro admits he was traveling at a high rate of speed. He claims, however, that he did not immediately notice the patrol unit behind him. He further contends that he attempted to stop the truck when he realized he was being followed, but that the vehicle continued to move slowly after he left the driver’s seat. The court below effectively disbelieved Rodriguez-Castro’s explanation, a conclusion which strikes us as eminently reasonable.
The third step of our review requires that we determine “whether [each] circumstance identified by the district court as justifying departure qualifies as ‘an aggravating or mitigating circumstance of a kind, or to a degree, not adequately taken into consideration by the Sentencing Commission in formulating the guidelines.’ ”
Id. (quoting
18 U.S.C. § 3553(b)). This is a question of law mandating de novo review.
See id.
at 985. If the circumstance does so qualify, we proceed to the fourth step, in which we review the district court’s actual decision to depart from the guidelines pursuant to the identified circumstance under the abuse of discretion standard.
Id.
We have already held both that the Commission did not adequately consider high-speed chases when formulating the guidelines and that a court may properly depart upwards from the guideline sentence on this basis.
See id.
at 987;
United States v. Ramirez-DeRosas,
*442
As for appellant’s repeated use of fictitious names, we previously identified such conduct as not adequately considered by the Commission and as a justifiable ground for departure.
See United States v. Montenegro-Rojo,
No. 89-50134, slip op. 3695, 3704 (9th Cir., Apr. 12, 1990) (past use of alias justifies departure on basis of criminal history);
Hernandez-Vasquez,
The fact that Rodriguez-Castro previously had engaged in a similar high-speed chase was not adequately taken into consideration by the Commission. We have held that repetitive conduct is sufficiently unusual to satisfy step three of our review. See Montenegro-Rojo, slip op. at 3704-06. We have also held that where such conduct poses a danger to others, departure is warranted under step four of our review. See' id. at (repeated trolley misconduct by alien upon entry into United States justifies departure). Appellant’s pattern of engaging law enforcement officials in a high-speed chase justifies the district court’s departure since it indicates that he poses a continuing threat to drivers in San Diego.
The fifth step of our review asks whether the degree of the district court’s departure is “unreasonable” within the meaning of 18 U.S.C. § 3742(e)(3). We review the reasonableness of the district court’s departure pursuant to the abuse of discretion standard.
See Lira-Barraza,
This last contention obviously must fail because the United States and California are separate sovereigns that need not sentence similarly. Rodriguez-Castro’s analogies to the sentences given other crimes in the guidelines, on the other hand, give us pause, for they represent the very process in which the district court should have, but did not, engage itself. We have held that when a district court departs from the guidelines it must “state its reasons for the direction and
degree
of its departure,”
Lira-Barazza,
We must also remand for resentencing in this case. Since the district court’s departure was grounded in part on the inadequacy of Rodriguez-Castro’s criminal history category, the court was obligated to justify the extent of its departure by analogy to the guideline sentences of defendants in a higher criminal history category. Instead, the district court, without saying why, imposed a prison term 36 months in excess of the maximum sentence appellant could have received under the guideline range calculated in the presentence report.
On remand, the district court need only utilize an analogy that is reasonable, not necessarily one suggested by Rodriguez-Castro himself. Indeed, the analogies appellant presented to this court would appear to be inapposite in any event because they compare his sentence to those of other defendants within his own criminal history category as opposed to the sentences of defendants receiving his same total sentence in different criminal history categories, as required by Sentencing Guidelines § 4A1.3.
III
Rodriguez-Castro’s final contention— that, when combined, his terms of imprisonment and supervised release cannot lawfully exceed the statutory maximum of five years under 8 U.S.C. § 1324 — is foreclosed by our recent decision in Montenegro-Rojo, slip op. at 3709-15.
IV
Appellant’s sentence is AFFIRMED IN PART, and VACATED and REMANDED in part.
Notes
. Indeed, in an earlier decision, the same district judge specifically stated that he believed the
Commission
had not adequately taken high-speed chases into consideration when formulating the guidelines for illegal transportation of aliens.
See Lira-Barraza,
. The base offense level for robbery is 20, Sentencing Guidelines § 2B3.1(a), which is high enough when combined with a criminal history category of IV to result in a sentence of 54 months. See id. at 5.2 (Sentencing Table). Yet at the time appellant was sentenced, the base offense level was 18. See id. app. C, amend. 110, at C. 55-56 (noting that increase took effect Nov. 1, 1989). Since a base offense level of 18 combined with a criminal history category of IV yields a sentence of no greater than 51 months, appellant found it necessary for purposes of his analogy to specify robbery resulting in bodily injury, which has always increased the base offense level by 2. See id. § 2B3.1(b)(3)(A).
