Winter Storm, Brown
- When
- February 9, 7:00 AM CST to February 10, 1:00 AM CST
- Where
- Brown forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 44.242, -94.727 (the zone’s center; the record gives no point)
Low pressure strengthened over eastern Nebraska, then moved to Illinois. It produced two swaths of significant snow, then strong wind caused blowing snow and near zero visibility in the wide open prairies from west central into south central Minnesota.
Every event with a place to put it; 16 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 episode as NWS MPX wrote it up.
Low pressure strengthened over eastern Nebraska, then moved to Illinois. It produced two swaths of significant snow, then strong wind caused blowing snow and near zero visibility in the wide open prairies from west central into south central Minnesota. Some heavier snow totals include 7 inches at Springfield, 6.4 inches at Cokato, 6 inches at Long Prairie and Brownton. Winds of 25 to 35 mph were common.
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 Twin Cities, MN wrote its last area forecast discussion before the first event at Feb 9, 4:35 AM CST, 2 hours 25 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
400 AM CST SAT FEB 9 2002
FELT I HAD A BETTER HANDLE ON THIS ONE EARLY IN THE SHIFT...TIL NEW
MESOETA CAME IN AND COMPLICATED SITU. INITIALLY PLANNED TO HV WS
WRNGS ACRS THE WEST FOR TDY/TNT WITH WRNG FOR THE SC FOR TNT BASED
ON SNW ALNG WITH VRY STG N WNDS CAUSING BLNG SNOW. WAS GOING TO
DROP WATCH ELSEWHERE THINKING THAT ADVYS COULD HANDLE SITU THIS
AFTN/TNGHT. NOW MESO ETA AGN BLOSSOMS PCPN WITH SWATH GREATER THAN
.75 THIS AFTN/EVE FM RWF TO BTWN STC....ABT DBL 00Z RUN OF AVN/ETA.
WITH WATCH ALREADY OUT SINCE THURS...DECIDED TO LEAVE IT IN PLACE
RMDR CWA FOR ANOTHER 6 HRS TIL 12Z RUNS AVBL...BUT DELAY TIME TIL
AFTN/TNGHT.
BEST AREA OVERALL LOOKS LK SW MN WHERE VRY STNG OMEGA IN PLACE THRU
MUCH OF DAY IN DEFORMATION ZONE. MODELS ALSO GENERATE STNG PIVA
THIS AFTN WITH UP TO 4GM/KG AVBL MOISUTRE ON 295K SFC. BJ COOKE
ALSO QUITE IMPRESSIVE WITH 12 DEGREES WAA AND FVBL DENDRITIC TEMPS
ALSO AT 600 MB LVL. SFC PRES GRAD VRY STNG THIS AFTN/TNGHT 16MB
PRES DIFFERENCE BTWN AEL AND MML AREA. WL GO UP TO 8 INCHES THAT
AREA. WC MN SHUD ACCUM ENUF SNOW TO BLOW ARND LT AFTN (3-6 INCHES).
SNOW SHUD HOLD OFF TIL EVE SC MN AS NICE UPR DIVG PROVIDES GOOD
SOURCE OF LIGHT. WILL INCLUDE WARNING THERE FOR TNGHT PRD.
SYNOPTICALLY...CONCERNED THAT MODELS HV GNRLY COME ARND TO A MORE
SLY TRACK TO SFC AND UPR LOW AND SFC PRESSURES ARE RISING RATHER
THAN DEEPENING. HOWEVER...600MB FULL WND FRONTOGENESIS DOES HIT AT
THE POTENTIAL OF A NARROW SW-NE BAND OF HVY SNOW. THE 06Z AVN ALSO
PUMPING OUT MORE QFP THAN RUN 6 HRS PREVIOUS. NEW MODELS RUNS ARE
BRNGG DEFORMATION ZONE FARTHER NORTH LT AFTN AND EVE WHICH IS LOOKING
PROMISING. WITH STG WNDS STILL IN THE CARDS...ANY SNOW WHICH ACCUMS
WILL BLOW ARND.
NO CHG TO ANY PART OF FCST AFTER SUNDAY...NO TIME.
.MSP...WS WARNING TDY/TNT FOR WC MN...WEST OF SAZ TO MVE
WS WARNING AFTN/TNGT FOR SW MN...WEST OF MVE TO FRM
WS WARNING TNGHT...SC MN...S OF MKT TO FBL
WS WATCH RMDR MN CWA THIS AFTN/TNGHT
WS WATCH WI CWA TNGHT
PAULSONThe national radar mosaic for the moment the first event began.
16 winter storm. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2002Every state in 2002This day in weather historyWarnings in Minnesota, February 2002
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: 5282190, 5282191, 5282192, 5282193, 5282194, 5282195, 5282196, 5282197, 5282198, 5282199, 5282200, 5282201, 5282202, 5282203, 5282204, 5282205.