Alert archive / Georgia / Flash Flood Warnings in 1990
Flash Flood Warning 11, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Mar 17, 1990, 11:00 AM EST for Webster County, Georgia. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Mar 17, 1990, 11:00 AM EST (16:00 UTC)
- Expired
- Mar 17, 1990, 2:00 PM EST
- In force
- 3 hr
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Webster County, GA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 12:00Z, 4.0 hours before the alert went out and 242 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 619 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -111 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCSG 171601 FFWCSG GAC307-171900- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE COLUMBUS GA 1100 AM EST SAT MAR 17 1990 THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 200 PM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST CENTRAL GEORGIA ...WEBSTER COUNTY AT 1045 AM EST A DAM BURST JUST NORTH OF PRESTON GEORGIA IN WEBSTER COUNTY. WATER WAS REPORTED TO BE RISING AROUND 6 INCHES AN HOUR. THE DAM WAS LOCATED ON THE KINCHAFOONEE CREEK. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT'S IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.
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 17, 5:37 AM EST, 5 hours 23 minutes before
FLZ004-171145- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE APALACHICOLA FL 535 AM EST SAT MAR 17 1990 ...THE TORNADO WATCH CONTINUES IN EFFECT FOR PART OF THE EAST FLORIDA PANHANDLE AND NORTH FLORIDA UNTIL 900 AM EST. THIS INCLUDES GULF AND FRANKLIN COUNTIES AND THEIR ADJACENT COASTAL WATERS. AT 525 AM EST...A NEARLY SOLID LINE OF THUNDERSTORMS WITH HEAVY RAIN STRETCHED FROM THOMASVILLE GEORGIA TO THE COAST AT CARRABELLE FLORIDA. THE LINE THEN EXTENDED SOUTHWEST OUT OVER THE GULF FOR 100 MILES. THIS LINE WAS PART OF A LARGE AREA OF MOSTLY LIGHT RAIN THAT COVERED THE PANHANDLE AND THE ADJACENT GULF OUT TO 100 MILES OFFSHORE. THE AREA ALSO COVERED EXTREME SOUTHEAST ALABAMA AND SOUTHWEST GEORGIA. MOVEMENT WAS TO THE EAST AT 15 MILES AN HOUR.
Special weather statement, Mar 17, 6:05 AM EST, 4 hours 55 minutes before
FLZ003-005-GAZ011-012-171200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 6:15 AM EST (5:15 AM CST) SAT MAR 17 1990 ...A TORNADO WATCH REMAINS IN EFFECT FOR THE FLORIDA BIG BEND AND SOUTHWEST GEORGIA UNTIL 9 AM EST. AT 610 AM EST NATIONAL WEATHER SERVICE RADARS INDICATED A LARGE AREA OF SHOWERS WITH A FEW EMBEDDED THUNDERSTORMS EXTENDING WEST OF A LINE FROM NEAR QUITMAN GEORGIA TO MONTICELLO TO ST. MARKS EXTENDING INTO THE GULF OVER 150 MILES. THE HEAVIEST THUNDERSTORMS WERE OVER THE GULF ABOUT 30 MILES SOUTH OF ALLIGATOR POINT. THE LINE OF PRECIPITATION IS MOVING EAST AT 10 TO 15 MPH. HEAVY RAINS AND GUSTY WINDS ARE POSSIBLE OVER THE WAKULLA ..JEFFERSON AND TAYLOR COUNTIES DURING THE NEXT COUPLE OF HOURS. FURTHER STATEMENTS WILL BE ISSUED AS NEEDED. COLLINS
Special weather statement, Mar 17, 6:34 AM EST, 4 hours 26 minutes before
FLZ003-005-GAZ011-012-171300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 6:35 AM EST (5:35 AM CST) SAT MAR 17 1990 ...TORNADO WATCH IS NO LONGER IN EFFECT FOR JACKSON..CALHOUN..GADSDEN.. LIBERTY..LEON AND WAKULLA COUNTIES IN FLORIDA OR SEMINOLE..GRADY AND DECATUR COUNTIES IN GEORGIA. TORNADO WATCH DOES REMAIN IN EFFECT UNTIL 9 AM EST FOR PERSONS IN JEFFERSON..MADISON..TAYLOR AND DIXIE COUNTIES IN FLORIDA AND THOMAS AND BROOKS COUNTIES OF GEORGIA._ AT 630 AM EST NATIONAL WEATHER SERVICE RADARS INDICATED A LARGE AREA OF SHOWERS WITH A FEW EMBEDDED THUNDERSTORMS COVERING ALL OF SOUTHWEST GEORGIA AND THE BIG BEND AREA OF FLORIDA AND EXTENDING INTO THE GULF FOR 150 MILES. THE HEAVIEST THUNDERSTORMS WERE OVER THE GULF ABOUT 30 MILES SOUTHEAST OF ALLIGATOR POINT. THE LINE OF PRECIPITATION IS MOVING EAST AT 10 TO 15 MPH. HEAVY RAINS AND GUSTY WINDS ARE POSSIBLE MAINLY OVER THE COASTAL AREAS OF WAKULLA..JEFFERSON..TA7YLOR AND DIXIE COUNTIES IN THE NEXT COUPLE OF HOURS. CTC
Special weather statement, Mar 17, 6:43 AM EST, 4 hours 17 minutes before
FLZ004-171245- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE APALACHICOLA FL 645 AM EST SAT MAR 17 1990 ...THE TORNADO WATCH HAS BEEN CANCELLED FOR GULF AND FRANKLIN COUNTIES... AT 629 AM EST...A NEARLY SOLID LINE OF SHOWERS WITH HEAVY RAIN STRETCHED FROM 25 MILES EAST OF TALLAHASSEE TO A POINT IN APALACHEE BAY ABOUT 5 MILES EAST OF ALLIGATOR POINT. THE LINE THEN EXTENDED SOUTH- WEST OVER THE GULF FOR 125 MILES. THIS LINE WAS PART OF A LARGE AREA OF MOSTLY LIGHT RAIN THAT COVERED THE PANHANDLE AND THE ADJACENT GULF OUT TO 100 MILES OFFSHORE. THE AREA ALSO COVERED A SMALL PART OF SOUTHEAST ALABAMA AND SOUTHWEST GEORGIA. MOVEMENT WAS TO THE EAST AT 15 MILES AN HO"UR.
Special weather statement, Mar 17, 7:41 AM EST, 3 hours 19 minutes before
FLZ003-005-GAZ011-012-171400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 7:45 AM EST (6:45 AM CST) SAT MAR 17 1990 ...TORNADO WATCH NUMBER 93 HAS BEEN CANCELLED FOR ALL FLORIDA AND GEORGIA COUNTIES. AT 730 AM EST NATIONAL WEATHER SERVICE RADARS INDICATED A LARGE AREA OF MOSTLY LIGHT WIND WITH A FEW EMBEDDED THUNDERSTORMS OVER ALL OF SOUTHWEST GEORGIA THE BIG BEND AREA OF FLORIDA AND EXTENDING INTO THE GULF FOR 150 MILES. tTHE HEAVIEST THUNDERSTORMS WERE OVER THE GULF ABOUT 30 MILES SOUTH OF APALACHICOLA. THE LINE OF PRECIPITATION IS MOVING EAST AT 10 TO 15 MPH. BRIEF HEAVY RAINS AND GUSTY WINDS ARE STILL POSSIBLE WITH THE THUNDERSTORMS NEAR THE COAST. CTC
Special weather statement, Mar 17, 7:46 AM EST, 3 hours 14 minutes before
FLZ003-005-GAZ011-012-171400- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE TALLAHASSEE FL 7:45 AM EST (6:45 AM CST) SAT MAR 17 1990 ...TORNADO WATCH NUMBER 93 HAS BEEN CANCELLED FOR ALL FLORIDA AND GEORGIA COUNTIES. AT 730 AM EST NATIONAL WEATHER SERVICE RADARS INDICATED A LARGE AREA OF MOSTLY LIGHT RAIN WITH A FEW EMBEDDED THUNDERSTORMS OVER ALL OF SOUTHWEST GEORGIA THE BIG BEND AREA OF FLORIDA AND EXTENDING INTO THE GULF FOR 150 MILES. THE HEAVIEST THUNDERSTORMS WERE OVER THE GULF ABOUT 30 MILES SOUTH OF APALACHICOLA. THE LINE OF PRECIPITATION IS MOVING EAST AT 10 TO 15 MPH. BRIEF HEAVY RAINS AND GUSTY WINDS ARE STILL POSSIBLE WITH THE THUNDERSTORMS NEAR THE COAST. CTC
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 9:34 PM EST | Severe Thunderstorm Warning | TAE | Macon, Taylor | 41 min |
| Mar 16, 11:40 PM EST | Flash Flood Warning | TAE | Muscogee | 3 hr |
| Mar 17, 12:57 AM EST | Severe Thunderstorm Warning | TAE | Stewart | 63 min |
| Mar 17, 2:20 AM EST | Severe Thunderstorm Warning | TAE | Calhoun, Terrell | 25 min |
| Mar 17, 2:53 AM EST | Flash Flood Warning | TAE | Muscogee | 4 hr |
Nearby
Flash Flood Warnings in Georgia, 1990Every flash flood warning in 1990
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.