Alert archive / Florida / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 48, NWS Tampa Bay, FL

July 7, 1995Polk County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 7, 1995, 7:55 PM EDT for Polk County, Florida. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1995, 7:55 PM EDT (23:55 UTC)
Expired
Jul 7, 1995, 9:00 PM EDT
In force
65 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Polk County, FL

The radar

The Tampa radar (KTBW), 74 km from the middle of the area, began a volume at 23:55 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 11.9 hours before the alert went out and 131 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, Cape Canaveral, FL at 12:00Z on 1995-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3645 joules per kilogram.LCLEL10008507005003002001001 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, Cape Canaveral, FL at 12:00Z on 1995-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
3645 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
531 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Jul 7, 7:30 PM EDT, 25 minutes earlier.

Area forecast discussion, Jul 7, 7:30 PM EDT, 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL
730 PM EDT FRI JUL 07 1995

MORE ACTIVE RADAR SITUATION TONITE AS WIDLY SCT RASH/TSTMS DVLPG ALNG
COAST FROM TAMPA BAY SWRDS. EARLIER STRONG TSTMS OVR LEVY/CITRUS CTYS
HAVE MOVD EWRD TWRDS ATL COAST SO WL DROP POPS GRP 1 TNGT. WIDELY SCT
RASH/TSTMS OVR SO CENT FL AS WELL. THESE ALNG WITH WEST CENT STORMS ALL
MOVG SOUTH TO SOUTHWEST 10-15 MPH. SOME CELLS SHO EXPLOSIVE PULSE TYPE
GROWTH WITH MAX TOPS OVR 50K FT. EXPCT FURTHER DVLPMT LATER THIS EVE AS
EAST COAST SEABRZ REACHES GULF BEACHES...ESPLY IN SW FL.

FOR TOMORROW...DO INDEED EXPCT GULF SEABRZ BUT WONDER HOW MUCH COOLER
IT WILL BE FOR AFTN HIGHS CONSIDERING GULF WATER TEMPS NR 88 DEGREES
FROM VENICE SOUTH AND 86-87 DEG IN TAMPA BAY. MID 90S AGAIN A GUD BET.

@1 LEVY CITRUS HERNANDO
@2 PASCO PINELLAS HILLSBOROUGH MANATEE SARASOTA
@3 HARDEE DESOTO POLK HIGHLANDS SUMTER
@4 CHARLOTTE LEE
27

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 3:47 PM EDTSevere Thunderstorm WarningTBWCitrus58 min
Jul 7, 6:02 PM EDTSevere Thunderstorm WarningTBWPinellas58 min

Nearby

Severe Thunderstorm Warnings in Florida, 1995Every severe thunderstorm warning in 1995

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.