Alert archive / Florida / Flash Flood Warnings in 1998
Flash Flood Warning 1, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this flash flood warning at Jan 23, 1998, 7:31 PM EST for Manatee County, Florida. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 23, 1998, 7:31 PM EST (00:31 UTC)
- Expired
- Jan 24, 1998, 1:20 AM EST
- In force
- 6 hr
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Manatee County, FL
The radar
The Tampa radar (KTBW), 26 km from the middle of the area, began a volume at 00:32 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 00:00Z, 0.5 hours before the alert went out and 26 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
- 154 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 724 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTBW 240032 FFWTBW FLC081-240620- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 731 PM EST FRI JAN 23 1998 THE NATIONAL WEATHER SERVICE HAS ISSUED A...FLOOD WARNING EFFECTIVE UNTIL 120 AM EST FOR ...MANATEE COUNTY THE MANATEE COUNTY OFFICE OF EMERGENCY MANAGEMENT REPORTED WATER PENETRATION INTO 250 TO 300 HOMES ACROSS THE COUNTY. IN ADDITION... MANY STREETS ARE CLOSED...MAINLY OVER EASTERN MANATEE COUNTY. OVER 100 MANATEE RESIDENTS HAVE BEEN EVACUATED. THIS FLOODING IS IN RESPONSE TO COPIOUS RAINFALL THAT OCCURRED TODAY OVER THE COUNTY. STORM SPOTTER REPORTS AND RADAR ESTIMATES INDICATE THAT 3 TO 5 INCHES OF RAIN FELL OVER MUCH OF THE COUNTY IN THE PAST 24 HOURS. AT 725 PM EST...DOPPLER RADAR INDICATED LIGHT TO MODERATE RAIN OFFSHORE WHICH MAY IMPACT MANATEE COUNTY LATER TONIGHT. ADDITIONAL RAINFALL AMOUNTS SHOULD REMAIN LESS THAN 1 INCH. HOWEVER...ANY ADDITIONAL RAINFALL WILL DEFINITELY EXACERBATE THE CURRENT FLOODING PROBLEM. A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING IN AREAS THAT FLOOD EASILY OR ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE ACTION. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS BY FOOT OR BY AUTO. DO NOT ATTEMPT TO DRIVE THROUGH WATER OF UNKNOWN DEPTHS OR WHICH COVERS THE ROADWAY. IT TAKES LESS THAN TWO FEET OF WATER FOR VEHICLES TO STALL AND BEGIN TO FLOAT. KEEP CHILDREN AWAY FROM STORM DRAINS ...WATER CATCHMENTS...AND WATERWAYS. COLLINS
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.
NWS Tampa Bay, FL wrote its last area forecast discussion before this flash flood warning went out at Jan 23, 2:40 PM EST, 4 hours 51 minutes earlier.
Area forecast discussion, Jan 23, 2:40 PM EST, 4 hours 51 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL 240 PM EST FRI JAN 23 1998 CURRENTLY...BAND OF SHWRS & TSTMS FROM MLB-SEBRING-SRQ IS SLOWLY WEAKENING. AFTER QUICK COORD CALLS W/MIA & SPC...HAVE CANCELLED TOR WATCH AT 2PM FOR MY FCST AREA. LUCKILY RAIN IS ENDING ACROSS SRQ-BRADENTON AREA WHERE 4-5 FELL CAUSING GOOD DEAL OF FLOODING...INCLUDING THE LOCAL RIVERS WHICH ARE NOW UNDER FLOOD WARNINGS AGAIN. LOTS OF STRONG CIRCULATIONS AND TORNADIC INDICATIONS ON 88D THIS MORNING...BUT LUCKILY (EXCEPT FOR VERIFICATION PURPOSES) ANY ASSOCIATED TORNADOS HAPPENED IN VERY RURAL AREAS S...THUS FEW TORNADO REPORTS SO FAR. MODELS...VERY LITTLE TIME TO SEE WHICH MODEL IS BEST...BUT DOES APPEAR THEY ARE SIMILAR IN INDICATING IMPROVING WX...ESP FOR SUNDAY. STRONG VORT WL DROP DOWN BACKSIDE OF LONGWAVE TROF AND SWING BY DURING THE MORNING/ EARLY AFTN. LUCKILY ALL THE DEEPEST MOISTURE WL BE OUTTA HERE...BUT ENUF LOW LEVEL MOISTURE WL REMAIN THAT THERE SHOULD BE SOME LIGHT RAIN/SHWRS SATURDAY MORNING. 20-30% POPS SHOULD DO IT. AFTER VORT SWINGS BY...CAA REALLY TAKES HOLD AND CLEARS OUT RESIDUAL LOW CLDS ACROSS THE REGION. MY THOUGHTS... .TONITE...EXPECT SOME SHWRS TO REDEVELOP LATE TONITE AS VORT APPROACHES. PROBABLY BE SOME T-STORMS OUT OVER WARM LOOP CURRENT. FWC/FAN POP NUMBERS SEEM WAY TO HIGH. LIKE 30% POPS BETTER. .SATURDAY...LOTS OF STRATOCU AROUND 1ST HALF OF DAY. STILL THREAT OF LIGHT SHWRS...ESPECIALLY AS COLD FRONT COMES THRU DURING THE MORNING. OH YEAH...WL BE BREEZY TOO. .SATURDAY NITE...CLEAR AND COOL. NORTHWEST WINDS VEER NORTH. FWC LOWS MIGHT BE A LITTLE COOL. EXPECT COOLEST TEMPS TO BE INLAND & EAST COAST. MODERATING INFLUENCE KEEP TEMPS ALONG WEST COAST UP A SMIDGE. .SUNDAY...SUNNY SUPERBOWL SUNDAY...TEMPS 3-5F BELOW NORMAL. THANKS FOR ALL COORD MLB & MIA. TEMPERATURE/POP THOUGHTS... BKV 61/65/39/64 3300 TPA 63/68/45/65 3300 LAL 63/69/43/65 3300 FMY 67/73/49/69 4300 NASH
In the hours before
Special weather statement, Jan 23, 1:53 PM EST, 5 hours 38 minutes before
FLZ052-055>057-060>062-065-231925- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 153 PM EST FRI JAN 23 1998 ...TORNADO WATCH CANCELLED FOR SOUTH-CENTRAL AND SOUTHWEST FLORIDA... THE TORNADO WATCH WHICH WAS IN EFFECT UNTIL 300 PM FOR THE COUNTIES OF POLK..HARDEE..DESOTO..HIGHLANDS..MANATEE..SARASOTA..CHARLOTTE AND LEE HAS BEEN CANCELLED. AT 150 PM...WEATHER SERVICE RADAR INDICATED THE BAND OF SHOWERS AND THUNDERSTORMS FROM SARASOTA TO SEBRING HAD SIGNIFICANTLY WEAKENED... AND THE THREAT OF FURTHER SEVERE WEATHER IS HIGHLY UNLIKELY. STILL...SOME LOCALLY HEAVY RAINS AND OCCASIONAL DEADLY LIGHTNING STRIKES ARE POSSIBLE AS THE STORMS CONTINUE TO PUSH EASTWARD. NASH
Special weather statement, Jan 23, 1:53 PM EST, 5 hours 38 minutes before
FLZ052-055>057-060>062-065-231925- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 153 PM EST FRI JAN 23 1998 ...TORNADO WATCH CANCELLED FOR SOUTH-CENTRAL AND SOUTHWEST FLORIDA... THE TORNADO WATCH WHICH WAS IN EFFECT UNTIL 300 PM FOR THE COUNTIES OF POLK..HARDEE..DESOTO..HIGHLANDS..MANATEE..SARASOTA..CHARLOTTE AND LEE HAS BEEN CANCELLED. AT 150 PM...WEATHER SERVICE RADAR INDICATED THE BAND OF SHOWERS AND THUNDERSTORMS FROM SARASOTA TO SEBRING HAD SIGNIFICANTLY WEAKENED... AND THE THREAT OF FURTHER SEVERE WEATHER IS HIGHLY UNLIKELY. STILL...SOME LOCALLY HEAVY RAINS AND OCCASIONAL DEADLY LIGHTNING STRIKES ARE POSSIBLE AS THE STORMS CONTINUE TO PUSH EASTWARD. NASH
Local storm report, Jan 23, 4:00 PM EST, 3 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT...SUPPLEMENTAL REPORTS
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
400 PM EST FRI JAN 23 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
920 AM N TAMPA FL TORNADO
01/23/98 HILLSBOROUGH TREES FELL ON TO 3 HOMES.
SEVERAL POWER LINES AND
POLES DOWNED IN THE SAME
AREA. OCCURRED NEAR 22ND
AVE BETWEEN BUSCH AND
FOWLER. NO DEATHS OR
INJURIES. NO DOLLAR DAMAGE
FIGURE AVAILABLE YET.
REPORT FROM HILLSBOROUGH
EOC.
945 AM 2S AVON PARK FL TORNADO
01/23/98 HIGHLANDS SEVERAL TOPPERS WERE BLOWN
OVER AND DAMAGED AT A
RECREATIONAL VEHICLE
DEALERSHIP ALONG US 27.
NO DEATHS OR INJURIES. NO
DOLLAR DAMAGE FIGURE
AVAILABLE YET. REPORTED BY
TAMPA TRIBUNE AND CAMPER
CORRAL.
MILLERLocal storm report, Jan 23, 4:00 PM EST, 3 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT...SUPPLEMENTAL REPORTS
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
400 PM EST FRI JAN 23 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
920 AM N TAMPA FL TORNADO
01/23/98 HILLSBOROUGH TREES FELL ON TO 3 HOMES.
SEVERAL POWER LINES AND
POLES DOWNED IN THE SAME
AREA. OCCURRED NEAR 22ND
AVE BETWEEN BUSCH AND
FOWLER. NO DEATHS OR
INJURIES. NO DOLLAR DAMAGE
FIGURE AVAILABLE YET.
REPORT FROM HILLSBOROUGH
EOC.
945 AM 2S AVON PARK FL TORNADO
01/23/98 HIGHLANDS SEVERAL TOPPERS WERE BLOWN
OVER AND DAMAGED AT A
RECREATIONAL VEHICLE
DEALERSHIP ALONG US 27.
NO DEATHS OR INJURIES. NO
DOLLAR DAMAGE FIGURE
AVAILABLE YET. REPORTED BY
TAMPA TRIBUNE AND CAMPER
CORRAL.
MILLERThe office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 24, 2:00 AM EST | Flash Flood Warning | TBW | Manatee | 8 hr |
Nearby
Flash Flood Warnings in Florida, 1998Every flash flood warning in 1998
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; radar from the NEXRAD Level II archive.