Alert archive / Florida / Flash Flood Warnings in 1991
Flash Flood Warning 2, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Mar 2, 1991, 9:02 AM CST for Bay County, Washington County, Florida. It was in force for 118 min.
The area
The counties it named.
The facts
- Issued
- Mar 2, 1991, 9:02 AM CST (15:02 UTC)
- Expired
- Mar 2, 1991, 11:00 AM CST
- In force
- 118 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
Counties Bay County, FL, Washington County, FL
The nearest sounding before it
Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 3.0 hours before the alert went out and 82 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 370 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 562 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -157 m²/s²
- 0-3 km storm-relative helicity
- -113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPNS 021504 FFWPNS FLC005-133-021700- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PENSACOLA FL 902 AM CST SAT MAR 2 1991 THE NATIONAL WEATHER SERVICE IN PENSACOLA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1100 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST FLORIDA ...BAY COUNTY...WASHINGTON COUNTY NUMEROUS ROADS AND HIGHWAYS ARE UNDERWATER IN BOTH OF THE COUNTIES. CIVIL DEFENSE AND LAW ENFORCEMENT AGENCIES REQUEST THAT ALL TRAVEL BE CURTAILED OR RESTRICTED. SMALL STREAMS AND DITCHES ARE OUT OF THEIR BANKS AND OVER FLOWING IN COUNTY WIDE IN BOTH COUNTIES. NUMEROUS SHOWERS AND THUNDERSTORMS CONTINUE TO MOVE INTO THESE TWO COUNTIES FROM THE GULF WITH NO APPARENT RELEIF WITHIN THE NEXT SEVERAL HOURS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Mar 2, 4:24 AM CST, 4 hours 38 minutes before
FL004-020530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE APALACHICOLA FLORIDA 500 AM EST SAT MAR 2 1991 AT 500 AM EST...A LARGE AREA OF VERY HEAVY THUNDERSTORMS MOVING TO THE NORTHEAST AROUND 40 MILES AN HOUR WERE LOCATED SOUTHWEST OF APALACHICO- LA. THESE THUNDERSTORMS ARE EXPECTED TO MOVE OVER GULF AND FRANKLIN COUNTIES IN THE NEXT FEW OF HOURS. THESE THUNDERSTORMS COULD PRODUCE VERY HEAVY RAINFALL IN A SHORT PERIOD OF TIME WHICH MAY RESULT IN SOME LOCALIZED FLOODING. STRONG GUSTY WINDS AND DANGEROUS LIGHTING COULD ALSO BE ASSOCIATED WITH THESE THUNDERSTORMS.
Special weather statement, Mar 2, 4:25 AM CST, 4 hours 37 minutes before
FL004-020700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE APALACHICOLA FLORIDA 500 AM EST SAT MAR 2 1991 AT 500 AM EST...A LARGE AREA OF VERY HEAVY THUNDERSTORMS MOVING TO THE NORTHEAST AROUND 40 MILES AN HOUR WERE LOCATED SOUTHWEST OF APALACHICO- LA. THESE THUNDERSTORMS ARE EXPECTED TO MOVE OVER GULF AND FRANKLIN COUNTIES IN THE NEXT FEW OF HOURS. THESE THUNDERSTORMS COULD PRODUCE VERY HEAVY RAINFALL IN A SHORT PERIOD OF TIME WHICH MAY RESULT IN SOME LOCALIZED FLOODING. STRONG GUSTY WINDS AND DANGEROUS LIGHTING COULD ALSO BE ASSOCIATED WITH THESE THUNDERSTORMS.
Special weather statement, Mar 2, 5:19 AM CST, 3 hours 43 minutes before
FLZ003-005-GAZ011-012-021215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 622 AM EST (522 AM CST) SAT MAR 2 1991 AT 620 AM EST WEATHER SERVICE RADAR INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS COVERING MOST OF SOUTHWEST GEORGIA...THE FLORIDA BIG BEND AREA AND EXTENDING INTO THE GULF OF MEXICO FOR ABOUT 50 MILES SOUTHWEST OF APALACHICOLA. THE STORMS WITH THE HEAVIEST RAINFALL WERE LOCATED FROM SOUTHERN LIBERTY COUNTY FLORIDA EAST ACROSS NORTHERN WAKULLA..SOUTHERN LEON AND INTO SOUTHERN JEFFERSON AND MADISON COUNTIES IN FLORIDA. ELSEWHERE..LIGHT TO MODERATE RAIN SHOWERS CONTINUED ACROSS SOUTH GEORGIA EXTENDING INTO THE CENTRAL FLORIDA PANHANDLE. THESE STORMS WERE MOVING EAST NORTHEAST AT 25 TO 30 MPH. PERSONS IN THE VICINITY OF THESE STORMS...SPECIFICALLY RESIDENTS OF LIBERTY.. WAKULLA..SOUTHERN LEON..SOUTHERN JEFFERSON AND MADISON IN NORTHERN FLORIDA SHOULD EXPECT HEAVY RAIN IN A SHORT PERIOD OF TIME WHICH MAY RESULT IN SOME LOCALIZED FLOODING OF FLOOD PRONE AREAS. FLOODING HAS BEEN REPORTED AROUND QUINCY AND SNEADS FLORIDA. HIGH WIND GUSTS AND FREQUENT DANGEROUS LIGHTNING ARE ALSO POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS. CTC
Special weather statement, Mar 2, 5:58 AM CST, 3 hours 4 minutes before
FL004-020900- SPECIAL WEATHER STATEMENT...UPDATED NATIONAL WEATHER SERVICE APALACHICOLA FLORIDA 700 AM EST SAT MAR 2 1991 AT 700 AM EST...A LARGE AREA OF VERY HEAVY THUNDERSTORMS MOVING TO THE NORTHEAST AROUND 40 MILES AN HOUR WERE LOCATED SOUTHWEST OF APALACHICO- LA. THESE THUNDERSTORMS ARE EXPECTED TO MOVE OVER GULF AND FRANKLIN COUNTIES IN THE NEXT FEW OF HOURS. THESE THUNDERSTORMS COULD PRODUCE VERY HEAVY RAINFALL IN A SHORT PERIOD OF TIME WHICH MAY RESULT IN SOME LOCALIZED FLOODING. STRONG GUSTY WINDS AND DANGEROUS LIGHTING COULD ALSO BE ASSOCIATED WITH THESE THUNDERSTORMS.
Special weather statement, Mar 2, 7:59 AM CST, 1 hour 3 minutes before
FLZ003-005-006-007-GAZ011-012-021600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 855 AM EST (755 AM CST) SAT MAR 2 1991 ...URBAN AND SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT FOR NORTH FLORIDA BIG BEND AREA THIS MORNING... HEAVY RAINFALL CONTINUES ACROSS MUCH OF THE NORTH FLORIDA BIG BEND AREA AND PORTIONS OF SOUTHWEST GEORGIA THIS MORNING. REPORTS RECEIVED SO FAR THIS MORNING INDICATE RAINFALL TOTALS OVER 3.5 INCHES IN PORTIONS OF LEON COUNTY. OVER 3.70 INCHES OF RAIN HAD FALLEN AT THE TALLAHASSEE AIRPORT AS OF 845 AM. LOCAL FLOODING WAS REPORTED EARLIER THIS MORNING IN QUINCY AND MARIANNA...AND JACKSON COUNTY REPORTS SOME STATE ROADS CLOSED DUE TO HIGH WATER. SOME CITY STREETS ARE ALSO REPORTED CLOSED IN TALLAHASSEE DUE TO POOLING OF WATER. AT 845 AM EST APALACHICOLA WEATHER RADAR INDICATED THE THUNDERSTORMS WITH THE HEAVIEST RAINFALL HAD MOVED OFFSHORE INTO APALACHEE BAY...AND EXTENDED FROM SOUTH OF APALACHICOLA NORTHEASTWARD INTO TAYLOR COUNTY AND INTO SOUTHERN MADISON COUNTY. MODERATE TO LOCALLY HEAVY RAINFALL COVERED MUCH OF MADISON...JEFFERSON...LEON...WAKULLA...LIBERTY AND GADSDEN COUNTIES. RESIDENTS OF THE NORTH FLORIDA BIG BEND AREA CAN EXPECT MODERATE TO LOCALLY HEAVY RAINFALL TO CONTINUE FOR AT LEAST THE NEXT SEVERAL HOURS...AND MORE LOCAL FLOODING OF SMALL STREAMS AND LOW LYING AREAS IS LIKELY THROUGHOUT THE MORNING. MOTORISTS ARE CAUTIONED NOT TO ATTEMPT TO CROSS FLOODED STREETS OR BRIDGES. PARENTS SHOULD KEEP CHILDREN AWAY FROM STREAMS AND DITCHES...MANY OF WHICH ARE RUNNING AT OR NEAR NEAR BANKFULL THIS MORNING.
Special weather statement, Mar 2, 8:03 AM CST, 59 minutes before
FLZ003 FLZ004-021500- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE APALACHICOLA FLORIDA 859 AM EST (759 AM CST) SAT MAR 2 1991 AT 0834 EST...NUMEROUS THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER THE FLORIDA PANHANDLE AND THE GULF FROM 60 MILES SOUTHEAST THROUGH 75 MILES SOUTHWEST OF APALACHICOLA. THE STROMGEST STORMS WERE 30 TO 35 MILES SOUTHEAST OF APALACHICOLA WITH SOME STRONG STORMS OCCURRING NEAR WEWAHITCHICA EAND SOUTH OF PORT ST JOE.
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 2:15 PM CST | Flash Flood Warning | TAE | Calhoun | 5 hr |
Nearby
Flash Flood Warnings in Florida, 1991Every flash flood warning in 1991
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.