Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 21, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 15, 2012, 5:34 PM EDT for 4 counties in Florida. It was in force for 26 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 15, 2012, 5:34 PM EDT (21:34 UTC)
- Expired
- Jun 15, 2012, 6:00 PM EDT
- In force
- 26 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Storm-based polygon
Counties Charlotte County, FL, DeSoto County, FL, Manatee County, FL, Sarasota County, FL
The radar
The Tampa radar (KTBW), 76 km from the middle of the area, began a volume at 21:37 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 15, 6:05 PM EDT | HAIL 1 | 3 N Port Charlotte, FL | QUARTER SIZED HAIL WAS REPORTED AT PEACHLAND BLVD AND HARBOR BLVD IN PORT CHARLOTTE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 15, 3:56 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 9.6 hours before the alert went out and 76 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
- 413 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 857 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
843
WUUS52 KTBW 152134
SVRTBW
FLC015-027-081-115-152200-
/O.NEW.KTBW.SV.W.0021.120615T2134Z-120615T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
534 PM EDT FRI JUN 15 2012
THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
DESOTO COUNTY IN SOUTH CENTRAL FLORIDA...
SARASOTA COUNTY IN WEST CENTRAL FLORIDA...
MANATEE COUNTY IN WEST CENTRAL FLORIDA...
CHARLOTTE COUNTY IN SOUTHWEST FLORIDA...
* UNTIL 600 PM EDT.
* AT 533 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 8 MILES EAST OF MYAKKA RIVER
STATE PARK...OR 10 MILES NORTH OF NORTH PORT...AND MOVING SOUTHEAST
AT 20 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PORT
CHARLOTTE...LAKE SUZY...FORT OGDEN AND CHARLOTTE HARBOR.
THIS INCLUDES INTERSTATE 75 BETWEEN EXITS 170 AND 182.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS AND DEADLY CLOUD TO GROUND LIGHTNING.
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG
BUILDING BUT AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR SOUTHWESTERN FLORIDA.
&&
LAT...LON 2695 8207 2695 8209 2721 8239 2739 8216
2716 8185 2694 8206
TIME...MOT...LOC 2134Z 316DEG 19KT 2720 8219
$$1 follow-up statement
326
WWUS52 KTBW 152150
SVSTBW
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
550 PM EDT FRI JUN 15 2012
FLC015-027-081-115-152200-
/O.CON.KTBW.SV.W.0021.000000T0000Z-120615T2200Z/
DESOTO FL-SARASOTA FL-MANATEE FL-CHARLOTTE FL-
550 PM EDT FRI JUN 15 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHERN CHARLOTTE...SOUTHEASTERN MANATEE...EASTERN SARASOTA AND
SOUTHWESTERN DESOTO COUNTIES...
AT 547 PM EDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED 8 MILES NORTHEAST OF NORTH PORT...MOVING
SOUTHEAST AT 20 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO DAMAGING WINDS...FREQUENT LIGHTNING IS OCCURRING WITH
THIS STORM. MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURES
NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE
CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 2695 8207 2695 8209 2721 8239 2739 8216
2716 8185 2694 8206
TIME...MOT...LOC 2150Z 316DEG 19KT 2714 8212
$$The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 2:58 PM EDT | Special Weather Statement | TBW | Pinellas | 17 min |
| Jun 15, 3:19 PM EDT | Special Marine Warning | TBW | 41 min | |
| Jun 15, 3:21 PM EDT | Special Marine Warning | TBW | 39 min | |
| Jun 15, 3:33 PM EDT | Special Weather Statement | TBW | Hillsborough | 42 min |
| Jun 15, 4:14 PM EDT | Special Weather Statement | TBW | Hillsborough, Manatee | 46 min |
| Jun 15, 4:45 PM EDT | Special Weather Statement | TBW | Glades | 45 min |
| Jun 15, 5:08 PM EDT | Special Weather Statement | TBW | Manatee, Sarasota | 52 min |
| Jun 15, 6:00 PM EDT | Special Marine Warning | TBW | 45 min | |
| Jun 15, 6:00 PM EDT | Severe Thunderstorm Warning | TBW | Charlotte, DeSoto, Lee, Sarasota | 45 min |
| Jun 15, 6:44 PM EDT | Special Weather Statement | TBW | Lee | 46 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.