Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 301, NWS Tulsa, OK

July 24, 1997Craig County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 24, 1997, 4:40 PM CDT for Craig County, Oklahoma. It was in force for 35 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
Jul 24, 1997, 4:40 PM CDT (21:40 UTC)
Expired
Jul 24, 1997, 5:15 PM CDT
In force
35 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Craig County, OK

The radar

The Tulsa radar (KINX), 73 km from the middle of the area, began a volume at 21:48 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

Springfield, MO (KSGF), launched 12:00Z, 9.7 hours before the alert went out and 126 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, Springfield, MO at 12:00Z on 1997-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1462 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, Springfield, MO at 12:00Z on 1997-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
1462 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
1271 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 242140 RRA
SVRTUL
OKC035-242215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
440 PM CDT THU JUL 24 1997
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST OKLAHOMA
 
   ...SOUTHERN CRAIG COUNTY
 
AT 440 PM...RADAR INDICATED A SEVERE THUNDERSTORM 1 MILE SOUTHEAST OF
VINITA. THIS THUNDERSTORM WAS NEARLY STATIONARY. PERSONS IN VINITA WILL
BE AFFECTED BY THIS STORM.
 
HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 65 MPH CAN BE EXPECTED
IN THE WARNED AREA.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.
 
DURING THE STORM MOVE INDOORS AND STAY AWAY FROM WINDOWS.
TO PROTECT YOURSELF FROM LIGHTNING DO NOT USE THE TELEPHONE
OR HAND HELD ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY.
MOTORISTS SHOULD BE ALERT FOR WATER ON ROADWAYS AND NEVER
DRIVE ONTO A FLOODED ROAD.

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 Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 24, 3:05 PM CDT, 1 hour 35 minutes earlier.

Area forecast discussion, Jul 24, 3:05 PM CDT, 1 hour 35 minutes before
FPUS3 KTUL 242005
AFDTUL

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
305 PM CDT THU JUL 24 1997

NO BIG WEATHER CHGS XPCTD INTO THE WEEKEND. WL CONFINE MENTION OF
TSRA NEXT TWO DAYS TO NW ARK AND SE OKLA WHERE CAP WEAKEST AND BEST
MSTR PROGD THRU SAT. CUD BE A FEW TSRA FARTHER NORTH ACRS NE OKLA
AS UPR HIGH SHIFTS SLOWLY EAST ON SAT...BUT COVERAGE SHUD REMAIN
ISOLD. MAIN STORY WILL BE HOT AFTN TEMPS...WITH HEAT INDEX VALUES
AS HIGH AS 115 PSBL. WL NOT ISSUE ADVISORY SINCE NIGHTTIME TEMPS
SHUD FALL BELOW THE 80 DEGREE THRESHOLD...BUT WILL ISSUE STATEMENT
TALKING ABOUT THE CURRENT HOT SPELL.

TUL 78/98/78/98 -1-1    MLC 74/ 99/75/ 99 1212
BVO 73/99/73/99 0-01    IDB 70/100/70/100 1212
FYV 71/95/71/95 1212    FSM 74/ 99/73/ 99 1212

                                                      /9

.TUL...
OK...NONE.
AR...NONE.

In the hours before

Special weather statement, Jul 24, 1:00 PM CDT, 3 hours 40 minutes before
ARZ001-002-010-011-019-029-OKZ054>076-251200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
100 PM CDT THU JUL 24 1997

ISOLATED SHORT-LIVED SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON
AND EVENING...MAINLY ACROSS SOUTHEAST OKLAHOMA AND WEST CENTRAL
ARKANSAS.

TEMPERATURES WARMING INTO THE MID TO UPPER 90S COMBINED WITH
DEWPOINTS IN THE 70S WILL RESULT IN AN UNSTABLE ATMOSPHERE THIS
AFTERNOON ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. AS HAS BEEN
THE CASE THE PAST SEVERAL DAYS...SCATTERED THUNDERSTORMS WILL ONCE
AGAIN DEVELOP THIS AFTERNOON WITH THE GREATEST COVERAGE OF STORMS
OVER THE HIGHER TERRAIN OF SOUTHEAST OKLAHOMA AND WEST CENTRAL
ARKANSAS. ANY THUNDERSTORM THAT FORMS WILL HAVE THE POTENTIAL TO
BRIEFLY BECOME SEVERE...WITH LARGE HAIL AND STRONG DOWNBURST WINDS
THE MAIN SEVERE WEATHER THREAT. LIGHT WINDS ALOFT ALSO SUGGEST THE
POSSIBILITY OF LOCALIZED HEAVY RAINFALL.

THUNDERSTORMS SHOULD DISSIPATE SHORTLY AFTER SUNSET WITH THE LOSS
OF DAYTIME HEATING.
Special weather statement, Jul 24, 4:14 PM CDT, 26 minutes before
OKZ054>077-ARZ001-002-010-011-019-029-250100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
415 PM CDT THU JUL 24 1997

...HOT WEATHER TO CONTINUE ACROSS EASTERN OKLAHOMA AND NORTHWEST
ARKANSAS...

A TYPICAL SUMMER WEATHER PATTERN HAS SET UP ACROSS OKLAHOMA AND
ARKANSAS THIS WEEK. AFTERNOON HIGH TEMPERATURES THROUGH THE WEEKEND
WILL RISE WELL INTO THE 90S IN ALL AREAS...WITH A FEW LOCATIONS
NEAR 100 DEGREES. HIGH HUMIDITIES WILL RESULT IN AFTERNOON HEAT
INDEX VALUES OF 105 TO 110...PERHAPS AS HIGH AS 115 IN A FEW AREAS
FRIDAY AND SATURDAY.

THE HIGH HUMIDITIES WILL LEAD TO WIDELY SCATTERED AFTERNOON AND
EVENING THUNDERSTORMS MAINLY ACROSS SOUTHEAST OKLAHOMA AND
NORTHWEST ARKANSAS INTO THE WEEKEND...BUT MOST AREAS WILL NOT
RECEIVE SIGNIFICANT RAINS.

IF YOU MUST BE OUTDOORS DURING THE HOT WEATHER...DRINK PLENTY OF
FLUIDS. PLAN OUTDOOR ACTIVITIES...SUCH AS YARD WORK...DURING THE
COOLER TIMES OF THE DAY. CHECK ON THEN ELDERLY. MAKE SURE OUTDOOR
PETS HAVE PLENTY OF WATER AND A SHADY PLACE TO LAY.
Special weather statement, Jul 24, 4:15 PM CDT, 25 minutes before
OKZ054>077-ARZ001-002-010-011-019-029-250100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
415 PM CDT THU JUL 24 1997

...HOT WEATHER TO CONTINUE ACROSS EASTERN OKLAHOMA AND NORTHWEST
ARKANSAS...

A TYPICAL SUMMER WEATHER PATTERN HAS SET UP ACROSS OKLAHOMA AND
ARKANSAS THIS WEEK. AFTERNOON HIGH TEMPERATURES THROUGH THE WEEKEND
WILL RISE WELL INTO THE 90S IN ALL AREAS...WITH A FEW LOCATIONS
NEAR 100 DEGREES. HIGH HUMIDITIES WILL RESULT IN AFTERNOON HEAT
INDEX VALUES OF 105 TO 110...PERHAPS AS HIGH AS 115 IN A FEW AREAS
FRIDAY AND SATURDAY.

THE HIGH HUMIDITIES WILL LEAD TO WIDELY SCATTERED AFTERNOON AND
EVENING THUNDERSTORMS MAINLY ACROSS SOUTHEAST OKLAHOMA AND
NORTHWEST ARKANSAS INTO THE WEEKEND...BUT MOST AREAS WILL NOT
RECEIVE SIGNIFICANT RAINS.

IF YOU MUST BE OUTDOORS DURING THE HOT WEATHER...DRINK PLENTY OF
FLUIDS. PLAN OUTDOOR ACTIVITIES...SUCH AS YARD WORK...DURING THE
COOLER TIMES OF THE DAY. CHECK ON THE ELDERLY. MAKE SURE OUTDOOR
PETS HAVE PLENTY OF WATER AND A SHADY PLACE TO LAY.

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1997Every 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; radar from the NEXRAD Level II archive.