Alert archive / Florida / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 21, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 1, 2008, 3:20 PM EDT for Levy County, Florida. It was in force for 25 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
- Jun 1, 2008, 3:20 PM EDT (19:20 UTC)
- Expired
- Jun 1, 2008, 3:45 PM EDT
- In force
- 25 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Storm-based polygon
County Levy County, FL
The radar
The Jacksonville radar (KJAX), 139 km from the middle of the area, began a volume at 19:21 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
Jacksonville, FL (KJAX), launched 12:00Z, 7.3 hours before the alert went out and 141 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
- 1649 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 901 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS52 KTBW 011920
SVRTBW
FLC075-011945-
/O.NEW.KTBW.SV.W.0021.080601T1920Z-080601T1945Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
320 PM EDT SUN JUN 1 2008
THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN LEVY COUNTY IN FLORIDA.
* UNTIL 345 PM EDT
* AT 320 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM...CAPABLE OF PRODUCING PENNY SIZE HAIL AND
DAMAGING 60 MPH WINDS...OVER WILLISTON...MOVING NORTH AT 7 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
WILLISTON.
BRONSON.
SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND
HAIL THE SIZE OF PENNIES OR LARGER. MOVE TO A PLACE OF SAFETY.
PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN RUSKIN BY CALLING 813-645-2323.
&&
LAT...LON 2949 8255 2949 8254 2949 8241 2948 8240
2928 8240 2927 8261 2952 8265 2953 8255
TIME...MOT...LOC 1920Z 177DEG 6KT 2936 8251
$$
131 follow-up statement
000
WWUS52 KTBW 011948
SVSTBW
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
347 PM EDT SUN JUN 1 2008
FLC075-011957-
/O.EXP.KTBW.SV.W.0021.000000T0000Z-080601T1945Z/
LEVY-
347 PM EDT SUN JUN 1 2008
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LEVY COUNTY HAS
EXPIRED...
AT 347 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED THE
THUNDERSTORM HAD WEAKENED AND WAS NO LONGER SEVERE...THUS THE WARNING
HAS BEEN ALLOWED TO EXPIRE.
DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CONTINUED OVER
NORTHEAST LEVY COUNTY AND ARE CAPABLE OF PRODUCING VERY HEAVY
RAIN...SMALL HAIL...AND GUSTY WINDS OF 40 MPH.
&&
LAT...LON 2949 8255 2949 8254 2949 8241 2948 8240
2928 8240 2927 8261 2952 8265 2953 8255
TIME...MOT...LOC 1920Z 177DEG 6KT 2936 8251
$$
13Nearby
Severe Thunderstorm Warnings in Florida, 2008Every severe thunderstorm warning in 2008
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.