Alert archive / Florida / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 101, NWS Tampa Bay, FL

June 26, 2001Pinellas County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 26, 2001, 6:52 PM EDT for Pinellas County, Florida. It was in force for 38 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
Jun 26, 2001, 6:52 PM EDT (22:52 UTC)
Expired
Jun 26, 2001, 7:30 PM EDT
In force
38 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Pinellas County, FL

The radar

The Tampa radar (KTBW), 40 km from the middle of the area, began a volume at 22:53 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 12:00Z, 10.9 hours before the alert went out and 40 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 2001-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1172 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 2001-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.1939Sfc1 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
1172 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
998 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KTBW 262256
SVRTBW
FLC103-262330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
652 PM EDT TUE JUN 26 2001

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN PINELLAS COUNTY IN FLORIDA.

* UNTIL 730 PM EDT.

* AT 652 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH DAMAGING WINDS...11 MILES SOUTHEAST OF    
  SAINT PETERSBURG...MOVING NORTHWEST AT 25 MPH.  GUST FRONT         
  WINDS...OF UP TO 52 MPH...WERE OBSERVED AT ALBERT WHITTED AIRPORT
  AT 644 PM...AHEAD OF THE SEVERE STORM.

* THE SEVERE THUNDERSTORM WILL AFFECT...
 % SAINT PETERSBURG
  PINELLAS PARK
  SEMINOLE
  LARGO

SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND
HAIL THE SIZE OF DIMES OR LARGER. MOVE TO A PLACE OF SAFETY.

$$


NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 3:28 PM EDTSevere Thunderstorm WarningTBWLee47 min
Jun 26, 4:05 PM EDTSevere Thunderstorm WarningTBWCharlotte25 min
Jun 26, 4:36 PM EDTSevere Thunderstorm WarningTBWCharlotte24 min
Jun 26, 5:20 PM EDTSevere Thunderstorm WarningTBWDeSoto25 min
Jun 26, 6:08 PM EDTSevere Thunderstorm WarningTBWPolk37 min

Nearby

Severe Thunderstorm Warnings in Florida, 2001Every severe thunderstorm warning in 2001

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.