Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 128, NWS Tallahassee, FL

October 25, 1997Irwin County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Oct 25, 1997, 6:31 PM EDT for Irwin County, Georgia. It was in force for 44 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Oct 25, 1997, 6:31 PM EDT (22:31 UTC)
Expired: Oct 25, 1997, 7:15 PM EDT
In force: 44 min
Issued by: NWS Tallahassee, FL
Area: Whole counties

County Irwin County, GA

What was reported inside it

Time	Report	Where	Remark
Oct 25, 6:40 PM EDT	Thunderstorm Wind 50	Wray, GA	Severe thunderstorm winds downed numerous trees and power lines between Lax and Wray.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 25, 5:15 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.5 hours before the alert went out and 165 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1051 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 513 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 222 m²/s²
0-3 km storm-relative helicity: 230 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTLH 252234 RRA
SVRTLH
GAC155-252315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
631 PM EDT SAT OCT 25 1997

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTH CENTRAL GEORGIA

   ...IRWIN COUNTY

AT 628 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A SEVERE
THUNDERSTORM DEVELOPING OVER THE EXTREME NORTHERN PART OF BERRIEN
COUNTY. THIS STORM IS MOVING TO THE NORTHEAST AT 30 MPH AND WILL ENTER
IRWIN COUNTY BY 635 PM. THIS STORM WILL MOVE MAINLY OVER THE SOUTHERN
PART OF THE COUNTY...BUT OTHER STORMS WILL MOVE OVER THE REMAINDER OF
THE COUNTY AND MAY PRODUCE SEVERE WEATHER.

SEVERE THUNDERSTORMS PRODUCE WINDS OF 58 MPH OR HIGHER... LARGE
HAIL... DANGEROUS LIGHTNING AND VERY HEAVY RAIN.  IF YOU ARE IN THE
PATH OF THIS STORM... GO TO A SAFE PLACE IMMEDIATELY.

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 Tallahassee, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 25, 3:25 PM EDT, 3 hours 6 minutes earlier.

Area forecast discussion, Oct 25, 3:25 PM EDT, 3 hours 6 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TALLAHASSEE FL
325 PM EDT SAT OCT 25 1997

BUSY AGAIN THIS AFTN AS STRONG STORMS APPROACH THE WESTERN PORTION
OF THE CWA. APPEARS CWA WL REMAIN IN WARM SECTOR THRU 48 HRS AS CLD
FNT ONLY TO SE AL/WRN FL PANHANDLE BY END OF PERIOD. MODELS
SIMILIAR IN UPR LVLS THRU 30 HRS IN TRACKING UPR CLOSED LOW EWD
ACROSS TX PANHANDLE AND AR INTO WRN TN BY END OF PERIOD. AVN
DEVIATES AND LIFTS LOW NEWD INTO GREAT LAKES REGION. FAVORAL JET
INTERACTION LATE SUN SUGS ANOTHER ROUND SUN AFTN.

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 25, 3:54 PM EDT	Severe Thunderstorm Warning	TAE	Randolph	31 min
Oct 25, 4:02 PM EDT	Severe Thunderstorm Warning	TAE	Terrell	33 min
Oct 25, 4:30 PM EDT	Severe Thunderstorm Warning	TAE	Lee	30 min
Oct 25, 5:15 PM EDT	Severe Thunderstorm Warning	TAE	Worth	30 min
Oct 25, 5:31 PM EDT	Severe Thunderstorm Warning	TAE	Colquitt, Worth	44 min
Oct 25, 5:42 PM EDT	Severe Thunderstorm Warning	TAE	Turner	48 min
Oct 25, 6:00 PM EDT	Severe Thunderstorm Warning	TAE	Dougherty	45 min
Oct 25, 6:22 PM EDT	Severe Thunderstorm Warning	TAE	Tift	48 min
Oct 25, 7:47 PM EDT	Severe Thunderstorm Warning	TAE	Tift	48 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1997 Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.