Alert archive / Florida / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 24, NWS Tallahassee, FL

March 16, 1990Escambia County, Santa Rosa County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 16, 1990, 2:29 PM CST for Escambia County, Santa Rosa County, Florida. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Mar 16, 1990, 2:29 PM CST (20:29 UTC)
Expired
Mar 16, 1990, 3:30 PM CST
In force
61 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

Counties Escambia County, FL, Santa Rosa County, FL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Apalachicola Mun, FL (KAQQ), launched 12:00Z, 8.5 hours before the alert went out and 233 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, Apalachicola Mun, FL at 12:00Z on 1990-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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, Apalachicola Mun, FL at 12:00Z on 1990-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 238 square meters per square second.19395878Sfc1 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
17 J/kg
Mixed-layer CIN
-169 J/kg
Mixed-layer LCL
1083 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
238 m²/s²
0-3 km storm-relative helicity
323 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPNS 162036 COR
SVRPNS
FLC033-113-162130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PENSACOLA FL
229 PM CST FRI MAR 16 1990

THE NATIONAL WEATHER SERVICE IN PENSACOLA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN NORTHWEST FLORIDA

   ...SOUTHERN ESCAMBIA COUNTY...CENTRAL SANTA ROSA COUNTY




A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 5 MILES NORTHWEST OF
THE PENSACOLA AIRPORT AT 222 PM CST. THE STORM WAS MOVING TO THE
NORTHEAST AT M0 MPH.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WILL LITTLE OR NO ADVANCED WARNING.

THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING B'UT STAY AWAY FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 8:01 AM CSTSevere Thunderstorm WarningTAEEscambia, Santa Rosa59 min
Mar 16, 9:51 AM CSTFlash Flood WarningTAEEscambia, Santa Rosa2 hr
Mar 16, 10:37 AM CSTTornado WarningTAEEscambia, Santa Rosa38 min
Mar 16, 12:04 PM CSTFlash Flood WarningTAEEscambia, Santa Rosa116 min
Mar 16, 1:55 PM CSTFlash Flood WarningTAEEscambia, Santa Rosa2 hr
Mar 16, 3:55 PM CSTFlash Flood WarningTAEEscambia, Santa Rosa5 hr
Mar 16, 3:55 PM CSTFlash Flood WarningTAEOkaloosa5 hr
Mar 16, 4:47 PM CSTSevere Thunderstorm WarningTAEEscambia, Santa Rosa28 min

Nearby

Severe Thunderstorm Warnings in Florida, 1990Every severe thunderstorm warning in 1990

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.