Alert archive / Florida / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 1, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jan 8, 1998, 3:39 AM EST for Hillsborough County, Manatee County, Pinellas County, Florida. It was in force for 61 min. 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 8, 1998, 3:39 AM EST (08:39 UTC)
- Expired
- Jan 8, 1998, 4:40 AM EST
- In force
- 61 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
Counties Hillsborough County, FL, Manatee County, FL, Pinellas County, FL
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 8, 2:30 AM EST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 00:00Z, 8.7 hours before the alert went out and 10 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
- 649 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 965 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 257 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 4.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jan 8, 1:40 AM EST, 1 hour 59 minutes earlier.
Area forecast discussion, Jan 8, 1:40 AM EST, 1 hour 59 minutes before
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</html>In the hours before
Special weather statement, Jan 7, 10:32 PM EST, 5 hours 7 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-GMZ830-850-853-856-080900- WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1032 PM EST WED JAN 7 1998 ...RISK OF STRONG TO SEVERE THUNDERSTORMS LATE TONIGHT INTO THURSDAY MORNING... ...SOME LOCALLY HEAVY RAINS POSSIBLE OVER WEST CENTRAL FLORIDA... A DEVLOPING AREA OF LOW PRESSURE OVER CENTRAL MISSISSIPPI TONIGHT WILL CONTINUE TO MOVE NORTHEAST TONIGHT AND THURSDAY. A TRAILING COLD FRONT FROM THIS LOW EXTENDS SOUTHWEST INTO THE WEST-CENTRAL GULF OF MEXICO. AHEAD OF THIS FRONT A LARGE AND EXPANDING AREA OF RAIN WITH EMBEDDED THUNDERSTORMS NOW EXTENDS FROM APALACHEE BAY SOUTHWEST OVER THE GULF OF MEXICO TO OVER 100 MILES WEST AND SOUTHWEST OF CAPTIVA. THIS AREA OF RAIN WILL CONTINUE TO MOVE TOWARD THE WEST COAST OF FLORIDA OVERNIGHT AND INTO THURSDAY MORNING. AT 1025 PM EST TONIGHT DOPPLER RADAR INDICATED A SMALLER BAND OF SHOWER ACROSS WEST CENTRAL FLORIDA FROM NEAR INVERNESS SOUTHWEST TO TAMPA WITH OTHER LIGHTER SHOWERS DEVELOPING NEAR SARASOTA AND BRADENTON. AS THE NIGHT CONTINUES THE LARGER AREA OF RAIN AND THUNDERSTORMS OVER THE ADJACENT GULF WATERS WILL BEGIN TO OVERSPREAD MUCH OF THE REGION. THIS RAIN AREA WILL INITIALLY BEGIN TO AFFECT LOCATIONS FROM BROOKSVILLE NORTH BETWEEN MIDNIGHT AND 3 AM...TAMPA TO SARASOTA BETWEEN 3 AND 7 AM AND OVER THE REMAINDER OF THE WEST CENTRAL AND SOUTHWEST FLORIDA DURING THURSDAY MORNING AND INTO THE AFTERNOON HOURS. STRONG WINDS IN THE LOWER AND MIDDLE PORTIONS OF THE ATMOSPHERE MAY RESULT IN SOME THUNDERSTORMS BECOMING SEVERE WITH DAMAGING WINDS...FREQUENT DEADLYLIGHTNING...VERY HEAVY DOWNPOURS AND SHORT LIVE TORNADOES OR MARINE WATERSPOUTS. IN ADDITION...SOME VERY HEAVY RAINS WILL BE POSSIBLE AFTER MIDNIGHT AND CONTINUING INTO THURSDAY ACROSS MUCH OF THE REGION. AT THE PRESENT TIME RAINFALL AMOUNTS ON THE ORDER 1 TO 2 INCHES WILL BE POSSIBLE WITH SOME LOCALLY HIGHER AMOUNTS POSSIBLE IN SOME LOCATIONS. WITH MANY AREA RIVERS STILL ABOVE FLOOD STAGE AND THE GROUND COMPLETERLY SATURATED ANY ADDITIONAL HEAVY RAINS WILL ONLY AGGRAVATE ONGOING FLOODING PROBLEMS ACROSS THE REGION. ALL RESIDENT AND MARINERS OF WEST CENTRAL AND SOUTHWEST FLORIDA SHOULD REMAIN ALERT TO ANY RAPIDLY CHANGING WEATHER CONDITIONS OVERNIGHT AND INTO THURSDAY. RESIDENTS LIVING ALONG RIVERS...STREAMS OR IN FLOOD PRONE AREAS SHOULD REMAIN ALERT TO ANY RAPID RISES IN WATER LEVELS AND TAKE ANY AND ALL NECESSARY ACTIONS TO PROTECT LIFE AND PROPERTY SHOULD FLOODING BE OBSERVED. ANOTHER HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED BY THIS OFFICE EARLY THURSDAY MORNING OR SOONER IF CONDITIONS WARRANT. MCMICHAEL
Special weather statement, Jan 7, 10:32 PM EST, 5 hours 7 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-GMZ830-850-853-856-080900- WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1032 PM EST WED JAN 7 1998 ...RISK OF STRONG TO SEVERE THUNDERSTORMS LATE TONIGHT INTO THURSDAY MORNING... ...SOME LOCALLY HEAVY RAINS POSSIBLE OVER WEST CENTRAL FLORIDA... A DEVLOPING AREA OF LOW PRESSURE OVER CENTRAL MISSISSIPPI TONIGHT WILL CONTINUE TO MOVE NORTHEAST TONIGHT AND THURSDAY. A TRAILING COLD FRONT FROM THIS LOW EXTENDS SOUTHWEST INTO THE WEST-CENTRAL GULF OF MEXICO. AHEAD OF THIS FRONT A LARGE AND EXPANDING AREA OF RAIN WITH EMBEDDED THUNDERSTORMS NOW EXTENDS FROM APALACHEE BAY SOUTHWEST OVER THE GULF OF MEXICO TO OVER 100 MILES WEST AND SOUTHWEST OF CAPTIVA. THIS AREA OF RAIN WILL CONTINUE TO MOVE TOWARD THE WEST COAST OF FLORIDA OVERNIGHT AND INTO THURSDAY MORNING. AT 1025 PM EST TONIGHT DOPPLER RADAR INDICATED A SMALLER BAND OF SHOWER ACROSS WEST CENTRAL FLORIDA FROM NEAR INVERNESS SOUTHWEST TO TAMPA WITH OTHER LIGHTER SHOWERS DEVELOPING NEAR SARASOTA AND BRADENTON. AS THE NIGHT CONTINUES THE LARGER AREA OF RAIN AND THUNDERSTORMS OVER THE ADJACENT GULF WATERS WILL BEGIN TO OVERSPREAD MUCH OF THE REGION. THIS RAIN AREA WILL INITIALLY BEGIN TO AFFECT LOCATIONS FROM BROOKSVILLE NORTH BETWEEN MIDNIGHT AND 3 AM...TAMPA TO SARASOTA BETWEEN 3 AND 7 AM AND OVER THE REMAINDER OF THE WEST CENTRAL AND SOUTHWEST FLORIDA DURING THURSDAY MORNING AND INTO THE AFTERNOON HOURS. STRONG WINDS IN THE LOWER AND MIDDLE PORTIONS OF THE ATMOSPHERE MAY RESULT IN SOME THUNDERSTORMS BECOMING SEVERE WITH DAMAGING WINDS...FREQUENT DEADLYLIGHTNING...VERY HEAVY DOWNPOURS AND SHORT LIVE TORNADOES OR MARINE WATERSPOUTS. IN ADDITION...SOME VERY HEAVY RAINS WILL BE POSSIBLE AFTER MIDNIGHT AND CONTINUING INTO THURSDAY ACROSS MUCH OF THE REGION. AT THE PRESENT TIME RAINFALL AMOUNTS ON THE ORDER 1 TO 2 INCHES WILL BE POSSIBLE WITH SOME LOCALLY HIGHER AMOUNTS POSSIBLE IN SOME LOCATIONS. WITH MANY AREA RIVERS STILL ABOVE FLOOD STAGE AND THE GROUND COMPLETERLY SATURATED ANY ADDITIONAL HEAVY RAINS WILL ONLY AGGRAVATE ONGOING FLOODING PROBLEMS ACROSS THE REGION. ALL RESIDENT AND MARINERS OF WEST CENTRAL AND SOUTHWEST FLORIDA SHOULD REMAIN ALERT TO ANY RAPIDLY CHANGING WEATHER CONDITIONS OVERNIGHT AND INTO THURSDAY. RESIDENTS LIVING ALONG RIVERS...STREAMS OR IN FLOOD PRONE AREAS SHOULD REMAIN ALERT TO ANY RAPID RISES IN WATER LEVELS AND TAKE ANY AND ALL NECESSARY ACTIONS TO PROTECT LIFE AND PROPERTY SHOULD FLOODING BE OBSERVED. ANOTHER HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED BY THIS OFFICE EARLY THURSDAY MORNING OR SOONER IF CONDITIONS WARRANT. MCMICHAEL
Special weather statement, Jan 8, 3:15 AM EST, 24 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-GMZ830-850-853-856-080900- WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 315 AM EST THU JAN 8 1998 ...TORNADO WATCH IN EFFECT FOR WEST CENTRAL FLORIDA THROUGH 900 AM EST... ...SOME LOCALLY HEAVY RAINS POSSIBLE OVER WEST CENTRAL FLORIDA TODAY... A LINE OF SHOWERS AND THUNDERSTORMS OVER THE EASTERN GULF...ASSOCIATED WITH AN UPPER LEVEL DISTURBANCE...WILL MOVE ONSHORE WEST CENTRAL AND SOUTHWEST FLORIDA. ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP. THIS MORNING...WINDS WILL BE FAVORABLE FOR THE DEVELOPMENT OF TORNADOES OVER WEST CENTRAL FLORIDA FROM SARASOTA AND DESOTO COUNTIES NORTHWARD. IN ADDITION...HEAVY RAINS ARE POSSIBLE THIS MORNING AND AFTERNOON OVER THE REGION. RAINFALL AMOUNTS OF 1 TO 2 INCHES WILL BE POSSIBLE WITH SOME LOCALLY HIGHER AMOUNTS POSSIBLE IN SOME LOCATIONS. MANY AREA RIVERS REMAIN ABOVE FLOOD STAGE AND ADDITIONAL RAINFALL WILL ONLY AGGRAVATE ONGOING FLOODING PROBLEMS. ALL RESIDENTS AND MARINERS OF WEST CENTRAL AND SOUTHWEST FLORIDA SHOULD REMAIN ALERT TO RAPIDLY DEVELOPING WEATHER CONDITIONS THIS MORNING AND AFTERNOON. RESIDENTS LIVING ALONG RIVERS...STREAMS OR IN FLOOD PRONE AREAS SHOULD REMAIN ALERT TO ANY RAPID RISES IN WATER LEVELS AND TAKE ANY AND ALL NECESSARY ACTIONS TO PROTECT LIFE AND PROPERTY SHOULD FLOODING BE OBSERVED. STAY TUNED TO NOAA WEATHER RADIO...RADIO...TELEVISION...OR CABLE TELEVISION FOR THE LATEST WEATHER INFORMATION. COLLINS
Special weather statement, Jan 8, 3:15 AM EST, 24 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-GMZ830-850-853-856-080900- WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 315 AM EST THU JAN 8 1998 ...TORNADO WATCH IN EFFECT FOR WEST CENTRAL FLORIDA THROUGH 900 AM EST... ...SOME LOCALLY HEAVY RAINS POSSIBLE OVER WEST CENTRAL FLORIDA TODAY... A LINE OF SHOWERS AND THUNDERSTORMS OVER THE EASTERN GULF...ASSOCIATED WITH AN UPPER LEVEL DISTURBANCE...WILL MOVE ONSHORE WEST CENTRAL AND SOUTHWEST FLORIDA. ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP. THIS MORNING...WINDS WILL BE FAVORABLE FOR THE DEVELOPMENT OF TORNADOES OVER WEST CENTRAL FLORIDA FROM SARASOTA AND DESOTO COUNTIES NORTHWARD. IN ADDITION...HEAVY RAINS ARE POSSIBLE THIS MORNING AND AFTERNOON OVER THE REGION. RAINFALL AMOUNTS OF 1 TO 2 INCHES WILL BE POSSIBLE WITH SOME LOCALLY HIGHER AMOUNTS POSSIBLE IN SOME LOCATIONS. MANY AREA RIVERS REMAIN ABOVE FLOOD STAGE AND ADDITIONAL RAINFALL WILL ONLY AGGRAVATE ONGOING FLOODING PROBLEMS. ALL RESIDENTS AND MARINERS OF WEST CENTRAL AND SOUTHWEST FLORIDA SHOULD REMAIN ALERT TO RAPIDLY DEVELOPING WEATHER CONDITIONS THIS MORNING AND AFTERNOON. RESIDENTS LIVING ALONG RIVERS...STREAMS OR IN FLOOD PRONE AREAS SHOULD REMAIN ALERT TO ANY RAPID RISES IN WATER LEVELS AND TAKE ANY AND ALL NECESSARY ACTIONS TO PROTECT LIFE AND PROPERTY SHOULD FLOODING BE OBSERVED. STAY TUNED TO NOAA WEATHER RADIO...RADIO...TELEVISION...OR CABLE TELEVISION FOR THE LATEST WEATHER INFORMATION. COLLINS
Special weather statement, Jan 8, 3:20 AM EST, 19 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-GMZ830-850-853-856-081100- ...CORRECTION TO EXPIRATION TIME... WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 320 AM EST THU JAN 8 1998 ...TORNADO WATCH IN EFFECT FOR WEST CENTRAL FLORIDA THROUGH 900 AM EST... ...SOME LOCALLY HEAVY RAINS POSSIBLE OVER WEST CENTRAL FLORIDA TODAY... A LINE OF SHOWERS AND THUNDERSTORMS OVER THE EASTERN GULF...ASSOCIATED WITH AN UPPER LEVEL DISTURBANCE...WILL MOVE ONSHORE WEST CENTRAL AND SOUTHWEST FLORIDA. ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP. THIS MORNING...WINDS WILL BE FAVORABLE FOR THE DEVELOPMENT OF TORNADOES OVER WEST CENTRAL FLORIDA FROM SARASOTA AND DESOTO COUNTIES NORTHWARD. IN ADDITION...HEAVY RAINS ARE POSSIBLE THIS MORNING AND AFTERNOON OVER THE REGION. RAINFALL AMOUNTS OF 1 TO 2 INCHES WILL BE POSSIBLE WITH SOME LOCALLY HIGHER AMOUNTS POSSIBLE IN SOME LOCATIONS. MANY AREA RIVERS REMAIN ABOVE FLOOD STAGE AND ADDITIONAL RAINFALL WILL ONLY AGGRAVATE ONGOING FLOODING PROBLEMS. ALL RESIDENTS AND MARINERS OF WEST CENTRAL AND SOUTHWEST FLORIDA SHOULD REMAIN ALERT TO RAPIDLY DEVELOPING WEATHER CONDITIONS THIS MORNING AND AFTERNOON. RESIDENTS LIVING ALONG RIVERS...STREAMS OR IN FLOOD PRONE AREAS SHOULD REMAIN ALERT TO ANY RAPID RISES IN WATER LEVELS AND TAKE ANY AND ALL NECESSARY ACTIONS TO PROTECT LIFE AND PROPERTY SHOULD FLOODING BE OBSERVED.p STAY TUNED TO NOAA WEATHER RADIO...RADIO...TELEVISION...OR CABLE TELEVISION FOR THE LATEST WEATHER INFORMATION. COLLINS
Special weather statement, Jan 8, 3:20 AM EST, 19 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-GMZ830-850-853-856-081100- ...CORRECTION TO EXPIRATION TIME... WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 320 AM EST THU JAN 8 1998 ...TORNADO WATCH IN EFFECT FOR WEST CENTRAL FLORIDA THROUGH 900 AM EST... ...SOME LOCALLY HEAVY RAINS POSSIBLE OVER WEST CENTRAL FLORIDA TODAY... A LINE OF SHOWERS AND THUNDERSTORMS OVER THE EASTERN GULF...ASSOCIATED WITH AN UPPER LEVEL DISTURBANCE...WILL MOVE ONSHORE WEST CENTRAL AND SOUTHWEST FLORIDA. ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP. THIS MORNING...WINDS WILL BE FAVORABLE FOR THE DEVELOPMENT OF TORNADOES OVER WEST CENTRAL FLORIDA FROM SARASOTA AND DESOTO COUNTIES NORTHWARD. IN ADDITION...HEAVY RAINS ARE POSSIBLE THIS MORNING AND AFTERNOON OVER THE REGION. RAINFALL AMOUNTS OF 1 TO 2 INCHES WILL BE POSSIBLE WITH SOME LOCALLY HIGHER AMOUNTS POSSIBLE IN SOME LOCATIONS. MANY AREA RIVERS REMAIN ABOVE FLOOD STAGE AND ADDITIONAL RAINFALL WILL ONLY AGGRAVATE ONGOING FLOODING PROBLEMS. ALL RESIDENTS AND MARINERS OF WEST CENTRAL AND SOUTHWEST FLORIDA SHOULD REMAIN ALERT TO RAPIDLY DEVELOPING WEATHER CONDITIONS THIS MORNING AND AFTERNOON. RESIDENTS LIVING ALONG RIVERS...STREAMS OR IN FLOOD PRONE AREAS SHOULD REMAIN ALERT TO ANY RAPID RISES IN WATER LEVELS AND TAKE ANY AND ALL NECESSARY ACTIONS TO PROTECT LIFE AND PROPERTY SHOULD FLOODING BE OBSERVED.p STAY TUNED TO NOAA WEATHER RADIO...RADIO...TELEVISION...OR CABLE TELEVISION FOR THE LATEST WEATHER INFORMATION. COLLINS
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 3:39 AM EST | Severe Thunderstorm Warning | TBW | Sarasota | 61 min |
| Jan 8, 5:01 AM EST | Tornado Warning | TBW | Pasco, Sumter | 29 min |
| Jan 8, 7:08 AM EST | Severe Thunderstorm Warning | TBW | Sarasota | 62 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1998Every severe thunderstorm 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.