Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 509, NWS Norman, OK

October 23, 1997Clay County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Oct 23, 1997, 4:14 PM CDT for Clay County, Texas. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 23, 1997, 4:14 PM CDT (21:14 UTC)
Expired: Oct 23, 1997, 5:00 PM CDT
In force: 46 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Clay County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 9.2 hours before the alert went out and 136 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 739 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 219 m²/s²
0-3 km storm-relative helicity: 269 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 23, 3:43 PM CDT, 31 minutes earlier.

Area forecast discussion, Oct 23, 3:43 PM CDT, 31 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
330 PM CDT THU OCT 23 1997

MARGINALLY SVR TSTMS CONT IN WRN COUNTIES OF N TX IN ADVANCE OF UPR LVL
VORTMX FCST TO TRACK S OF THE MAIN PTN OF THE FA TNGT. WL GO WITH RATHER
PERSISTENT CLOUD COVER TONIGHT BUT WL LOWER POPS AS BEST UPR SUPPORT
SHIFTING EWD FM THE AREA. WL HOLD ONTO LO POPS FOR SERN OK COUNTIES FRI
MRNG. MODELS FCST BROAD AREA OF LO PRES AT SFC OVR SRN PLAINS FRI AS
NEXT UPR TROF BEGINS TO DIG SEWD THRU THE WRN U.S. PCPN IN ADVANCE OF
THIS SYSM CUD REACH THE NWRN COUNTIES BY LATE FRI NIGHT. FOR SAT HV GONE
WITH THE ETA/AVN WHICH SLOW THE EJECTION OF THE S/W FM THE SRN ROCKIES
AND KEEP THE SFC LO FARTHER SOUTH...ALLOWING COLDER AIR TO BEGIN TO
SPREAD INTO THE AREA FROM THE NORTH. SAT NGT WL SEE CAA IN ALL SECS.
WITH FAIRLY STG PVA STILL PRESENT (THO IT APPEARS RATHER CHANNELED). WL
MENTION MODEST POPS SAT NGT...IN NWRN OK COUNTIES COULD BE COLD ENOUGH
FOR SOME OF THE PCPN TO CHG OVER TO SNOW. EXTENDED PD SHOWS DCRG CLDS
BUT COLD ON SUN...THEN MODERATING TEMPS MON AND TUE.

FCSTID = 12
OKC   51  72  53  58 /  30  10  10  30
HBR   51  74  50  58 /  30  10  10  30
SPS   52  78  53  63 /  40  1d0  10  20
GAG   49  67  41  50 /  20  10  20  30
PNC   49  71  50  59 /  40  10  10  30
DUA   54  76  54  67 /  30  20  10  30

.OKC...
OK...NONE.
TX...NONE.

In the hours before

Local storm report, Oct 23, 3:34 PM CDT, 40 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
340 PM CDT THU OCT 23 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0322 PM    4 N NARCHER CITY           TX   0.88 INCH HAIL
10/23/97   ARCHER

JS

Local storm report, Oct 23, 3:40 PM CDT, 34 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
340 PM CDT THU OCT 23 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0322 PM    4 N ARCHER CITY           TX   0.88 INCH HAIL
10/23/97   ARCHER

JS

Local storm report, Oct 23, 3:45 PM CDT, 29 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
345 PM CDT THU OCT 23 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0339 PM    SCOTLAND                  TX   1 INCH HAIL
10/23/97   ARCHER

JS

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 23, 1:52 PM CDT	Severe Thunderstorm Warning	OUN	Baylor	38 min
Oct 23, 3:32 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Clay	43 min
Oct 23, 4:49 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Wilbarger	26 min
Oct 23, 5:19 PM CDT	Severe Thunderstorm Warning	OUN	Wilbarger	26 min

Nearby

Severe Thunderstorm Warnings in Texas, 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; the sounding from the Mesonet's radiosonde archive.