1 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Phoenix, AZ wrote its last area forecast discussion before the first event at Feb 27, 2:00 PM PST, 1 hour 30 minutes earlier.
AZZ020>028-CAZ030>033-280545- SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 300 PM MST TUE FEB 27 2001 .SYNOPSIS... A PACIFIC LOW PRESSURE SYSTEM WILL SLOWLY MOVE EAST OVER BAJA CALIFORNIA THIS EVENING...THEN NORTHEAST OVER ARIZONA TONIGHT AND EARLY WEDNESDAY. SHOWERS WILL INCREASE OVER SOUTH CENTRAL ARIZONA TONIGHT...WITH A CHANCE FOR SHOWERS CONTINUING OVER FAR SOUTHEAST CALIFORNIA AND SOUTHWEST ARIZONA. SHOWERS WILL DIMINISH ON WEDNESDAY...BUT ANOTHER WEATHER DISTURBANCE WILL BRING A SLIGHT CHANCE FOR SHOWERS WEDNESDAY NIGHT THROUGH THURSDAY. WEAK HIGH PRESSURE WILL BUILD INTO THE AREA THIS WEEKEND...FOR PARTLY CLOUDY SKIES AND A GRADUAL WARMING TREND. .DISCUSSION... PESKY UPPER LEVEL LOW JUST OFF THE SRN CA/NRN BAJA COAST AND SLOWLY...VERY SLOWLY...MOVING TOWARD AZ. SAT IMAGERY ATTM SHOWS CONSIDERABLE CLOUDINESS OVER MUCH OF OUR CWA...AS LIGHT RAIN SHOWERS CONTINUE MAINLY OVER SE CA AND FAR WRN AZ. WILL KEEP CHANCE FOR SHOWERS IN THE FCST TONIGHT FOR WRN ZONES...WITH CATEGORICAL POPS OVER THE GREATER PHX AREA AS THE LOW SLOWLY MOVES EASTWARD. AVN/ETA TIME HEIGHT CROSS SECTIONS AGREE BEST DYNAMICS FOR PHX WILL BE THIS EVENING BETWEEN 00Z AND 06Z...JET MAX POSITION ALSO SUPPORTS THIS. HAVE DECIDED TO ADD A SLIGHT CHANCE FOR THUNDERSTORMS TO ALL ZONES FOR THIS EVENING...AS A FEW LIGHTNING STRIKES HAVE BEEN DETECTED OVER SRN CA...AND THE COLD POOL SHOULD BE MOVING INTO AZ FOR STEEPER LAPSE RATES OVERNIGHT. AS FOR SNOW LEVELS...DONT FEEL IT WILL BE AN ISSUE OVER CA ZONE 30 FOR JOSHUA TREE NATIONAL PARK...HOWEVER ...WILL ADD MIXED RAIN AND SNOW SHOWERS OVER AZ ZONE 24 FOR TONIGHT ...WITH THICKNESS LEVELS INDICATING SNOW LEVEL NEAR 5500 FEET. WILL KEEP CHANCE FOR SHOWERS OVER SOUTHWEST AND SOUTH-CENTRAL AZ THROUGH EARLY WED MORNING. SKIES SHOULD BECOME PARTLY CLOUDY BY WED AFTERNOON WITH ONLY A SLIGHT CHANCE FOR SHOWERS AS THE LOW LIFTS OUT OF THE PICTURE AND MAKES ROOM FOR A SECOND DISTURBANCE DROPPING DOWN FROM NV INTO CA. MODELS INDICATE SECOND LOW WILL DROP FURTHER WEST AND SOUTH THAN PREVIOUSLY EXPECTED. WILL CONTINUE SLIGHT CHANCE FOR SHOWERS OVER MUCH OF CWA THROUGH WED NIGHT...THEN SLIGHTLY INCREASE THE CHANCE ON THURSDAY...WITH THE MENTION OF A POSSIBLE AFTERNOON THUNDERSTORM AS AVN GUIDANCE HAS -2 LI OVER MUCH OF OUR CWA. AS FOR THE EXTENDED...AT THIS TIME FEEL BEST WAY TO GO WILL BE BROAD BRUSHING FRI THROUGH TUE WITH PARTLY CLOUDY SKIES AND A GRADUAL WARMING TREND AT LEAST THROUGH SUNDAY...AS WEAK RIDGING BUILDS IN OVER THE WKND. MORNING AVN RUN MORE AGGRESSIVE WITH REGARD TO DEVELOPING STRONG SOUTHERN BRANCH OF THE JET OVER OUR AREA BY EARLY NEXT WEEK. THEREFORE HAVE BACKED OFF ON WARMING TREND...AND HELD TEMPS NEAR CLIMO SUNDAY THRU TUESDAY. WILL HAVE TO WATCH THIS EVOLUTION CLOSELY...AS POTENTIAL WILL EXIST FOR DISTURBANCES TO AFFECT CWA BY EARLY NEXT WEEK IF AVN ON TARGET. LW
The Yuma radar (KYUX), 90 km away, was scanning. The volume nearest the first event began at 23:27 UTC.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorms moved through much of central Imperial County producing small hail and high winds. El Centro received half-inch diameter hail that covered the ground in places.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2001Every state in 2001This day in weather historyWarnings in California, February 2001
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5232415.