Alert archive / Arkansas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 111, NWS Tulsa, OK

May 2, 1997Carroll County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 2, 1997, 4:43 PM CDT for Carroll County, Arkansas. It was in force for 47 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
May 2, 1997, 4:43 PM CDT (21:43 UTC)
Expired
May 2, 1997, 5:30 PM CDT
In force
47 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Carroll County, AR

The radar

The Springfield radar (KSGF), 100 km from the middle of the area, began a volume at 21:46 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.

What was reported inside it

TimeReportWhereRemark
May 2, 4:50 PM CDTThunderstorm WindEureka Spgs, AR

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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.7 hours before the alert went out and 66 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 1997-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1997-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
915 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
413 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 Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 2, 3:22 PM CDT, 1 hour 21 minutes earlier.

Area forecast discussion, May 2, 3:22 PM CDT, 1 hour 21 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
315 PM CDT FRI MAY 2 1997

MOST OF THE AREA SEEMS TO BE IN THE CLEAR AS FAR AS SVR WX. SOME
STORMS HAVE BECOME SVR JUST TO OUR NE AND E AND WITH WLY WINDS OVER
ALL OF THE AREA ANY ADDITIONAL DEVELOPMENT SHOULD REMAIN TO OUR E.
UPPER LOW STILL OVER WRN KS ATTM. THIS LOW WILL TRACK OVER SE KS
AND SW MO TONIGHT. COULD SEE SOME SCT SHRA AND POSSIBLY A HIGH-
BASED TSRA OVER NRN ZONES BUT NOTHING HEAVY. MESOETA FCSTG MOST
MEASURABLE PRECIP JUST TO THE N OF UPR LOW. STG NW WINDS WL CONT
TONIGHT. THIS AND MOISTURE AT H85 WRAPPING INTO MOST ZONES SHOULD
KEEP TEMPS FROM GETTING TOO COOL. HAVE STAYED CLOSE TO GUIDANCE FOR
ALL BUT 3RD PERIOD WHERE LIGHT WINDS AND CLEAR SKIES SHOULD ALLOW
TEMPS TO REACH THE UPPER 30S AGAIN IN NW AR AS IT DID THUR MORNING.
EXTENDED PERIODS LOOK NICE AND WARM WITH WSWLY ZONAL FLOW. SOME
MOISTURE MAY RETURN BY EARLY NEXT WEEK BUT SHOULD ONLY CAUSE AN
INCREASE IN DAYTIME CLOUDS. /26

TUL 048/066 042/074 054 1000
FSM 050/068 041/073 049 1000
MLC 050/068 042/076 054 0000
BVO 045/065 042/074 054 1000
FYV 047/063 037/071 048 2000
IDB 052/070 041/076 053 1000
BYV 047/062 037/071 047 2000

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

In the hours before

Special weather statement, May 2, 3:30 PM CDT, 1 hour 13 minutes before
OKZ054>076-ARZ001-002-010-011-019-029-031200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TULSA OK
330 PM CDT FRI MAY 2 1997

ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE UNTIL 9PM THIS EVENING
IN THE NORTHEAST CORNER OF OKLAHOMA AND THE NORTHWEST CORNER OF
ARKANSAS.

A STRONG UPPER LEVEL DISTURBANCE WILL CONTINUE TO MOVE SOUTHEAST
INTO NORTHEAST OKLAHOMA LATE THIS AFTERNOON AND THIS EVENING. LOW
LEVEL MOISTURE HAS BEEN DECREASING FROM THE WEST THIS AFTERNOON AS
A SURFACE TROUGH AND COLD FRONT CONTINUED TO MOVE THROUGH THE AREA.
SURFACE DEWPOINTS IN THE LOWER 60S AND TEMPERATURES IN THE LOWER
70S WERE STILL LOCATED IN AREAS EAST OF TULSA LATE THIS AFTERNOON.
AS THE COLD AIR ALOFT MOVES OVERHEAD...THE AIRMASS IN THE OUTLOOK
AREA WILL CONTINUE TO BE UNSTABLE INTO THIS EVENING.

SCATTERED THUNDERSTORMS HAD DEVELOPED LATE THIS AFTERNOON IN THE
UNSTABLE AIRMASS. THESE WILL CONTINUE OVER OTTAWA...DELAWARE AND
ADAIR COUNTIES IN OKLAHOMA AND MAY MOVE INTO BENTON
WASHINGTON...CARROLL AND MADISON COUNTIES BY EVENING. THE COLD AIR
ALOFT WILL INCREASE THE HAIL POTENTIAL WITH THESE STORMS WITH A
THREAT FOR STRONG DOWNBURST WINDS ALSO.

WITH THE LOSS OF DAYTIME HEATING...THE STORMS SHOULD DIMINISH BY
SUNSET WITH NO THUNDERSTORMS EXPECTED OVERNIGHT.

EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER ORGANIZATIONS
ACROSS FAR SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS SHOULD BE
PREPARED FOR POSSIBLE ACTIVATION THROUGH 4PM.
Local storm report, May 2, 3:35 PM CDT, 1 hour 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
336 PM CDT FRI MAY 02 1997

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

0030 AM $   FAIRFAX                   OK   60 MPH TSTM GUST
05/02/97   OSAGE
Local storm report, May 2, 3:36 PM CDT, 1 hour 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
336 PM CDT FRI MAY 02 1997

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

0030 AM    FAIRFAX                   OK   60 MPH TSTM GUST
05/02/97   OSAGE
Special weather statement, May 2, 3:40 PM CDT, 1 hour 3 minutes before
OKZ054>076-ARZ001-002-010-011-019-029-031200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TULSA OK
340 PM CDT FRI MAY 2 1997

ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE UNTIL 9PM THIS EVENING
IN THE NORTHEAST CORNER OF OKLAHOMA AND THE NORTHWEST CORNER OF
ARKANSAS.

A STRONG UPPER LEVEL DISTURBANCE WILL CONTINUE TO MOVE SOUTHEAST
INTO NORTHEAST OKLAHOMA LATE THIS AFTERNOON AND THIS EVENING. LOW
LEVEL MOISTURE HAS BEEN DECREASING FROM THE WEST THIS AFTERNOON AS
A SURFACE TROUGH AND COLD FRONT CONTINUED TO MOVE THROUGH THE AREA.
SURFACE DEWPOINTS IN THE LOWER 60S AND TEMPERATURES IN THE LOWER
70S WERE STILL LOCATED IN AREAS EAST OF TULSA LATE THIS AFTERNOON.
AS THE COLD AIR ALOFT MOVES OVERHEAD...THE AIRMASS IN THE OUTLOOK
AREA WILL CONTINUE TO BE UNSTABLE INTO THIS EVENING.

SCATTERED THUNDERSTORMS HAD DEVELOPED LATE THIS AFTERNOON IN THE
UNSTABLE AIRMASS. THESE WILL CONTINUE OVER OTTAWA...DELAWARE AND
ADAIR COUNTIES IN OKLAHOMA AND MAY MOVE INTO BENTON
WASHINGTON...CARROLL AND MADISON COUNTIES BY EVENING. THE COLD AIR
ALOFT WILL INCREASE THE HAIL POTENTIAL WITH THESE STORMS WITH A
THREAT FOR STRONG DOWNBURST WINDS ALSO.

WITH THE LOSS OF DAYTIME HEATING...THE STORMS SHOULD DIMINISH BY
SUNSET WITH NO THUNDERSTORMS EXPECTED OVERNIGHT.

EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER ORGANIZATIONS
ACROSS FAR SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS SHOULD BE
PREPARED FOR POSSIBLE ACTIVATION THROUGH 9PM.
Special weather statement, May 2, 3:41 PM CDT, 1 hour 2 minutes before
OKZ054>076-ARZ001-002-010-011-019-029-031200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TULSA OK
330 PM CDT FRI MAY 2 1997

ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE UNTIL 9PM THIS EVENING
IN THE NORTHEAST CORNER OF OKLAHOMA AND THE NORTHWEST CORNER OF
ARKANSAS.

A STRONG UPPER LEVEL DISTURBANCE WILL CONTINUE TO MOVE SOUTHEAST
INTO NORTHEAST OKLAHOMA LATE THIS AFTERNOON AND THIS EVENING. LOW
LEVEL MOISTURE HAS BEEN DECREASING FROM THE WEST THIS AFTERNOON AS
A SURFACE TROUGH AND COLD FRONT CONTINUED TO MOVE THROUGH THE AREA.
SURFACE DEWPOINTS IN THE LOWER 60S AND TEMPERATURES IN THE LOWER
70S WERE STILL LOCATED IN AREAS EAST OF TULSA LATE THIS AFTERNOON.
AS THE COLD AIR ALOFT MOVES OVERHEAD...THE AIRMASS IN THE OUTLOOK
AREA WILL CONTINUE TO BE UNSTABLE INTO THIS EVENING.

SCATTERED THUNDERSTORMS HAD DEVELOPED LATE THIS AFTERNOON IN THE
UNSTABLE AIRMASS. THESE WILL CONTINUE OVER OTTAWA...DELAWARE AND
ADAIR COUNTIES IN OKLAHOMA AND MAY MOVE INTO BENTON
WASHINGTON...CARROLL AND MADISON COUNTIES BY EVENING. THE COLD AIR
ALOFT WILL INCREASE THE HAIL POTENTIAL WITH THESE STORMS WITH A
THREAT FOR STRONG DOWNBURST WINDS ALSO.

WITH THE LOSS OF DAYTIME HEATING...THE STORMS SHOULD DIMINISH BY
SUNSET WITH NO THUNDERSTORMS EXPECTED OVERNIGHT.

EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER ORGANIZATIONS
ACROSS FAR SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS SHOULD BE
.PREPARED FOR POSSIBLE ACTIVATION THROUGH 4PM.
Special weather statement, May 2, 3:51 PM CDT, 52 minutes before
OKZ054>076-ARZ001-002-010-011-019-029-031200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TULSA OK
340 PM CDT FRI MAY 2 1997

ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE UNTIL 9PM THIS EVENING
IN THE NORTHEAST CORNER OF OKLAHOMA AND THE NORTHWEST CORNER OF
ARKANSAS.

A STRONG UPPER LEVEL DISTURBANCE WILL CONTINUE TO MOVE SOUTHEAST
INTO NORTHEAST OKLAHOMA LATE THIS AFTERNOON AND THIS EVENING. LOW
LEVEL MOISTURE HAS BEEN DECREASING FROM THE WEST THIS AFTERNOON AS
A SURFACE TROUGH AND COLD FRONT CONTINUED TO MOVE THROUGH THE AREA.
SURFACE DEWPOINTS IN THE LOWER 60S AND TEMPERATURES IN THE LOWER
70S WERE STILL LOCATED IN AREAS EAST OF TULSA LATE THIS AFTERNOON.
AS THE COLD AIR ALOFT MOVES OVERHEAD...THE AIRMASS IN THE OUTLOOK
AREA WILL CONTINUE TO BE UNSTABLE INTO THIS EVENING.

SCATTERED THUNDERSTORMS HAD DEVELOPED LATE THIS AFTERNOON IN THE
UNSTABLE AIRMASS. THESE WILL CONTINUE OVER OTTAWA...DELAWARE AND
ADAIR COUNTIES IN OKLAHOMA AND MAY MOVE INTO BENTON
WASHINGTON...CARROLL AND MADISON COUNTIES BY EVENING. THE COLD AIR
ALOFT WILL INCREASE THE HAIL POTENTIAL WITH THESE STORMS WITH A
THREAT FOR STRONG DOWNBURST WINDS ALSO.

WITH THE LOSS OF DAYTIME HEATING...THE STORMS SHOULD DIMINISH BY
SUNSET WITH NO THUNDERSTORMS EXPECTED OVERNIGHT.

EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER ORGANIZATIONS
ACROSS FAR SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS SHOULD BDE
PREPARED FOR POSSIBLE ACTIVATION THROUGH 9PM.

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 3:58 PM CDTSevere Thunderstorm WarningTSABenton47 min
May 2, 4:55 PM CDTTornado WarningTSASebastian50 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.