Alert archive / Florida / Tornado Warnings in 2003

Tornado Warning 5, NWS Tampa Bay, FL

March 27, 2003Pasco County, Florida

NWS Tampa Bay, FL issued this tornado warning at Mar 27, 2003, 3:08 PM EST for Pasco County, Florida. It was in force for 22 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 27, 2003, 3:08 PM EST (20:08 UTC)
Expired
Mar 27, 2003, 3:30 PM EST
In force
22 min
Issued by
NWS Tampa Bay, FL
Area
Counties, with a storm outline in the text

County Pasco County, FL

The radar

The Tampa radar (KTBW), 64 km from the middle of the area, began a volume at 20:07 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this tornado warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 27, 11:00 AM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 8.1 hours before the alert went out and 64 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.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 12:00Z on 2003-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 845 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 2003-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
845 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
820 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

034 
WFUS52 KTBW 272008
TORTBW
FLC101-272030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
307 PM EST THU MAR 27 2003

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  PASCO COUNTY IN FLORIDA.

* UNTIL 330 PM EST

* AT 307 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 19 MILES SOUTHWEST OF DADE CITY...MOVING NORTHEAST AT 20
  MPH.

* THE TORNADO WILL AFFECT...
  SAN ANTONIO BY 330 PM EST.

AT 307 PM EST...WEATHER SPOTTERS ALSO REPORTED A LARGE FUNNEL CLOUD 
NEAR LAND O LAKES.

THIS IS A DANGEROUS STORM MOVE INTO THE INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING...AWAY FROM WINDOWS. COVER YOUR HEAD AND
BODY WITH PILLOWS OR BLANKETS.


&&

LAT...LON 2824 8258 2819 8242 2835 8212 2840 8232

$$

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Mar 27, 2:13 PM EST, 55 minutes earlier.

Area forecast discussion, Mar 27, 2:13 PM EST, 55 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
213 PM EST THU MAR 27 2003

ONGOING SEVERE WEATHER REPORTS FROM THROUGHOUT THE FA WILL KEEP THIS
DISCUSSION SHORT.

UPPER SYSTEM CONTINUES TO PULL ENEWD FROM THE N CNTRL GOMEX WITH THE
TROUGH AXIS OFF THE NE FL COAST BY FRIDAY MORNING. IN THE INTERIM...
ONGOING NUMEROUS SHWRS AND TSTMS WILL GRADUALLY MOVE EWD BUT WILL
HOLD ONTO SOME LOWER THRESHOLD 30-40 POP INTO THE EVENING HOURS EARLY
TONIGHT UNTIL CONVECTION EXITS AREA. ALSO CAN NOT RULE OUT SOME
LINGERING CONVECTION...PARTICULARLY OVER THE NRN FA...DUE TO THE
UNSTABLE COOL POOL ALOFT CONDITIONS BENEATH THE UPPER LOW AS IT
PROGRESS EWD. OTHERWISE EXPECT GRADUALLY CLEARING SKIES LATER NIGHT
...BUT WITH SOME PATCHY LATE NIGHT FOG...NOTABLY OVER THE NRN FA.

MUCH IMPROVED CONDITIONS EXPECTED FRIDAY AND SATURDAY WITH
CONSIDERABLE SUNSHINE AND NEAR NIL PREMISE FOR PCPN.

EXPECT INCREASING CLOUDINESS SATURDAY NIGHT DUE TO THE APPROACH OF
A STRONG COLD FRONT ACCOMPANNIED WITH SHOWERS AND TSTMS TO PUSH
THROUGH THE PNSULA ON SUNDAY. A MUCH COOLER AIR MASS FOR EARLY
SPRING TO FOLLOW THIS FRONT WITH CLEARING SKIES BUT A RETURN OF A
CHILL IN THE AIR SUNDAY NIGHT INTO EARLY WEEK...PARTICULARLY AT
NIGHT. MORE ON THIS IN FUTURE DISCUSSIONS.

.MARINE...NO SIGNIFICANT WINDS EXPECTED THROUGH SATURDAY BUT WINDS
AND SEAS WILL INCREASE SIGNIFICANTLY WITH AND FOLLOWING THE
FRONTAL PASSAGE SUNDAY INTO MONDAY BEFORE DECREASING TUESDAY.

PRELIM NUMBERS...
BKV UU 060/085 057/085 064 10300
TPA UU 067/084 067/084 068 10300
GIF UU 066/087 065/088 065 10400
SRQ UU 078/067 082/064 082 10200
FMY UU 067/087 066/087 068 10300=

.TBW...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 5PM.

DMR/DN
Hazardous weather outlook, Mar 27, 5:20 AM EST, 9 hours 48 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-271600-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
520 AM EST THU MAR 27 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST
FLORIDA.

.DAY ONE...TODAY:

...ISOLATED SEVERE STORMS POSSIBLE THIS AFTERNOON...

A STRONG UPPER LEVEL LOW PRESSURE SYSTEM OVER THE NORTHERN GULF OF
MEXICO THIS MORNING...WILL MOVE EASTWARD ACROSS NORTHERN FLORIDA
LATER TODAY AND TONIGHT. CONDITIONS WILL BECOME FAVORABLE FOR STRONG
TO SEVERE THUNDERSTORMS TO DEVELOP BY THIS AFTERNOON AS THE UPPER
LEVEL LOW PRESSURE SYSTEM MOVES CLOSER TO THE AREA.

FOR THIS MORNING...ONLY SCATTERED SHOWERS AND THUNDERSTORMS ARE
EXPECTED. BY EARLY AFTERNOON...SHOWERS AND THUNDERSTORMS ARE
EXPECTED TO INCREASE IN COVERAGE AND STRENGTH... ESPECIALLY OVER
INTERIOR LOCATIONS...WITH SOME STORMS BECOMING STRONG TO SEVERE.
SHOWERS AND THUNDERSTORMS ARE EXPECTED TO MOVE TOWARD THE NORTHEAST
TODAY AT 10 TO 15 MPH.

THE MAIN THREATS FROM ANY STRONG TO SEVERE THUNDERSTORMS THIS AFTERNOON WILL
BE LARGE HAIL AND DAMAGING WINDS. THERE IS ALSO THE POSSIBILITY FOR
ISOLATED TORNADOES. REMEMBER...ALL THUNDERSTORMS ARE CAPABLE OF
PRODUCING DEADLY CLOUD TO GROUND LIGHTNING.

STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA OUTLETS FOR
POSSIBLE WATCHES OR WARNINGS THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY:

...MORE STRONG THUNDERSTORMS POSSIBLE LATER THIS WEEKEND...

ANOTHER STRONG UPPER LEVEL DISTURBANCE AND ASSOCIATED SURFACE COLD
FRONT ARE EXPECTED TO APPROACH THE AREA FROM THE WEST ON SUNDAY.
THIS SYSTEM WILL HAVE THE POTENTIAL TO PRODUCE STRONG STORMS BY
SUNDAY AFTERNOON. RESIDENTS SHOULD CONTINUE TO MONITOR FORECASTS AND
STATEMENT FROM THE NATIONAL WEATHER SERVICE AND LOCAL MEDIA OUTLETS
CONCERNING THE THREAT FOR STRONG STORMS LATER THIS WEEKEND.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON...AND AGAIN ON
SUNDAY.

FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT
HTTP://WWW.SRH.NOAA.GOV/TBW

MORALES

In the hours before

Local storm report, Mar 27, 1:54 PM EST, 1 hour 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN  FL
154 PM EST THU MAR 27 2003

TIME(EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1050 AM    2 S PUNTA GORDA           FL   .75 INCH HAIL
03/27/03   CHARLOTTE                      REPORTED BY EMERGENCY
                                          MANAGEMENT.

1217 PM    1 S TEMPLE TERRACE        FL   1.00 INCH HAIL
03/27/03   HILLSBOROUGH                   REPORTED BY STORM SPOTTER.

1254 PM    MORRISTON                 FL   WATERSPOUT
03/27/03   LEVY                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

1254 PM    MORRISTON                 FL   .75 INCH HAIL
03/27/03   LEVY                           REPORTED BY LAW
                                          ENFORCEMENT.
Local storm report, Mar 27, 2:27 PM EST, 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN  FL
227 PM EST THU MAR 27 2003

TIME(EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0110 PM    TEMPLE TERRACE            FL   1.75 INCH HAIL
03/27/03   HILLSBOROUGH                   USF CAMPUS REPORTED BY
                                          MEDIA.

0130 PM    WESLEY CHAPEL             FL   1.50 INCH HAIL
03/27/03   PASCO                          REPORTED BY MEDIA.

0143 PM    CAPE CORAL                FL   URBAN FLOOD
03/27/03   LEE                            REPORTED BY EMERGENCY
                                          MANAGEMENT.

0120 PM    TAMPA PALMS               FL   .75 INCH HAIL
03/27/03   HILLSBOROUGH                   REPORTED BY MEDIA.

0131 PM    WESLEY CHAPEL             FL   1.75 INCH HAIL
03/27/03   PASCO                          REPORTED BY MEDIA.

0200 PM    CRYSTAL RIVER             FL   .75 INCH HAIL
03/27/03   CITRUS                         REPORTED BY STORM SPOTTER.

0206 PM    2 N CRYSTAL RIVER         FL   .75 INCH HAIL
03/27/03   CITRUS                         REPORTED BY STORM SPOTTER.

0208 PM    2 SE BROOKSVILLE          FL   1.00 INCH HAIL
03/27/03   HERNANDO                       REPORTED BY STORM SPOTTER.

0221 PM    LAND O LAKES              FL   1.00 INCH HAIL
03/27/03   PASCO                          REPORTED BY HAM RADIO
                                          OPERATOR.

0218 PM    5 SE INVERNESS            FL   .75 INCH HAIL
03/27/03   CITRUS                         REPORTED BY STORM SPOTTER.

0224 PM    BROOKSVILLE               FL   .75 INCH HAIL
03/27/03   HERNANDO                       REPORTED BY STORM SPOTTER.
Local storm report, Mar 27, 2:36 PM EST, 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN  FL
236 PM EST THU MAR 27 2003

TIME(EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0120 PM    NEW TAMPA                 FL   1.75 INCH HAIL
03/27/03   HILLSBOROUGH                   REPORTED BY PUBLIC.

0206 PM    CRYSTAL RIVER             FL   WIND DAMAGE
03/27/03   CITRUS                         POWER LINES DOWN REPORTED
                                          BY LAW ENFORCEMENT.

The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 27, 10:53 AM ESTSevere Thunderstorm WarningTBWCharlotte37 min
Mar 27, 11:03 AM ESTSpecial Marine WarningTBW57 min
Mar 27, 11:08 AM ESTSevere Thunderstorm WarningTBWDeSoto52 min
Mar 27, 11:52 AM ESTSpecial Marine WarningTBW53 min
Mar 27, 12:10 PM ESTSevere Thunderstorm WarningTBWLee65 min
Mar 27, 1:00 PM ESTSevere Thunderstorm WarningTBWHillsborough30 min
Mar 27, 1:04 PM ESTSevere Thunderstorm WarningTBWLevy31 min
Mar 27, 1:20 PM ESTSevere Thunderstorm WarningTBWPasco40 min
Mar 27, 1:34 PM ESTSpecial Marine WarningTBW56 min
Mar 27, 1:45 PM ESTSevere Thunderstorm WarningTBWCitrus30 min
Mar 27, 2:01 PM ESTSevere Thunderstorm WarningTBWHernando29 min
Mar 27, 2:08 PM ESTSevere Thunderstorm WarningTBWLevy37 min
Mar 27, 2:10 PM ESTSpecial Marine WarningTBW2 hr
Mar 27, 2:19 PM ESTSevere Thunderstorm WarningTBWCitrus, Sumter41 min
Mar 27, 2:20 PM ESTSevere Thunderstorm WarningTBWHernando, Pasco25 min
Mar 27, 2:37 PM ESTTornado WarningTBWLee23 min
Mar 27, 2:42 PM ESTTornado WarningTBWLevy48 min
Mar 27, 2:58 PM ESTSevere Thunderstorm WarningTBWHernando, Pasco47 min
Mar 27, 4:37 PM ESTSevere Thunderstorm WarningTBWPasco38 min

Nearby

Tornado Warnings in Florida, 2003Every tornado warning in 2003Tornadoes in 2003

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.