Alert archive / Arkansas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 265, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 16, 1997, 3:36 PM CDT for Madison County, Arkansas. It was in force for 39 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 16, 1997, 3:36 PM CDT (20:36 UTC)
- Expired
- Jul 16, 1997, 4:15 PM CDT
- In force
- 39 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Madison County, AR
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 8.6 hours before the alert went out and 99 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.
- Mixed-layer CAPE
- 442 J/kg
- Mixed-layer CIN
- -151 J/kg
- Mixed-layer LCL
- 1362 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
163 WUUS1 KTUL 162037 RRA SVRTUL ARC087-162115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 336 PM CDT WED JUL 16 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 415 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST ARKANSAS ...SOUTHERN MADISON COUNTY AT 335 PM...RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES NORTHWEST OF ST. PAUL. THE STORM IS NEARLY STATIONARY. HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA.
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 16, 11:08 AM CDT, 4 hours 28 minutes earlier.
Area forecast discussion, Jul 16, 11:08 AM CDT, 4 hours 28 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1105 AM CDT WED JUL 16 1997 VISIBLE SATELLITE IMAGES AT 1530Z SHOWED A WELL DEFINE CONVECTIVELY INDUCED VORT MAX OVER BARBER COUNTY KS. THIS FEATURE EXTRAPOLATES TO COWELY COUNTY KS AT 00Z. CONVECTION WAS ALREADY INCREASING NEAR AND SOUTH OF THE CENTER AND EXPECT THUNDERSTORMS TO INCREASE IN ADVANCE OF THIS SYSTEM IN PARTS OF NORTHEAST OKLAHOMA THIS AFTERNOON. MODIFIED LIT AND OUN SOUNDINGS FOR THIS AFTERNOONS CONDITIONS SUGGEST CAPES OF 2500-3500 J/KG WITH A BREAKABLE CAP WHEN SURFACE TEMPS REACH THE LOW AND MID 90S. BOTH SOUNDINGS ALSO SHOWED A VERTICLE THETA-E PROFILES SUGGESTIVE OF WET MICRO BURSTS. WHILE VERTICLE SPEED SHEAR WILL BE WEAK...SUFFICIENT DIRECTIONAL SHEAR EXISTS WITH THE INSTABILITY TO CREATE A FEW SEVERE STORMS THIS AFTERNOON AND EVENING. THERE IS CONCERN THAT THE CAP MAKE STRENGTHEN SOME IN WEST SECTIONS THIS AFTERNOON...BUT LIFT FROM THE APPROACHING VORT MAX SHOULD COMPENSATE. LITTLE IF ANY CAP WILL REMAIN IN EAST SECTIONS LATE THIS AFTERNOON. STORM MOTIONS WILL BE SLOW AND DICTATED BY STORM SCALE BOUNDARY INTERACTIONS. DIFFICULT TO LOCATE A SURFACE FEATURE TO FOCUS ON...MAIN BAROCLINIC ZONE HAS SHIFTED NORTHEAST TO LIE FROM EASTERN KANSAS INTO NORTHERN ARKANSAS...THIS BOUNDARY MAY STILL BE CLOSE ENOUGH TO ENHANCE RAIN CHANCES IN THE HIER TERRAIN OF NORTHWEST ARKANSAS. ADAP AT 15Z ALSO SHOWED A WEAK MOISTURE CONVERGENCE AXIS NORTH-SOUTH ACROSS THE AREA...ROUGHLY ALONG HIGHWAY 75. WILL UPDATE ZONES SHORTLY TO INCREASE POPS IN PARTS OF NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS FOR THIS AFTERNOON AND EVENING. /8 .TUL... OK...NONE. AR...NONE.
In the hours before
Local storm report, Jul 16, 1:00 PM CDT, 2 hours 36 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
1200 PM CST WED JUL 16 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
515 PM 2 SW HITCHITA OK 60 MPH WIND GUST
07/15/97 MCINTOSH
530 PM
07/15/97 OKEMAH OK 1.00 INCH HAIL
OKFUSKEE
630 PM
07/15/97 4 W OKEMAH OK WIND DAMAGE...1 BLDG AND 1
OKFUSKEE HOUSE DAMAGED. SEVERAL TREES
AND POWER POLES DOWNED.
703 PM 3 S TULSA OK 1.00 INCH HAIL
07/15/97 TULSA
725 PM 3 W CLAREMORE OK .75 INCH AND .88 INCH HAIL
07/15/97 ROGERS
730 PM CLAREMORE OK 1.75 INCH HAIL
07/15/97 ROGERS
800 PM INOLA OK STREET FLOODING
07/15/97 ROGERS
915 PM HOMINY OK .88 INCH HAIL
07/15/97 OSAGE
925 PM HOMINY OK 1.00 INCH HAIL
07/15/97 OSAGESpecial weather statement, Jul 16, 1:00 PM CDT, 2 hours 36 minutes before
ARZ001-002-010-011-019-029-OKZ054>076-171200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT WED JUL 16 1997 A FEW SEVERE THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EARLY TONIGHT ACROSS NORTHWEST ARKANSAS AND EASTERN OKLAHOMA. AN UPPER LEVEL DISTURBANCE NEAR THE KANSAS-OKLAHOMA BORDER SOUTH OF WICHITA THIS AFTERNOON WILL MOVE SLOWLY SOUTHEAST THROUGH THIS EVENING. A WEAK SURFACE BOUNDARY WAS LOCATED FROM SOUTHEAST KANSAS INTO NORTHWEST ARKANSAS...AND WILL REMAIN STATIONARY THROUGH TONIGHT. THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON NEAR THE UPPER LEVEL DISTURBANCE AND SPREAD EASTWARD INTO NORTHEAST OKLAHOMA BY LATE THIS AFTERNOON. SOME DEVELOPMENT MAY ALSO OCCUR NEAR THE SURFACE BOUNDARY ACROSS NORTHWEST ARKANSAS BY 300 PM. THUNDERSTORMS ARE EXPECTED TO DEVELOP EASTWARD AND SOUTHWARD AFTER INITIAL FORMATION AS THUNDERSTORM OUTFLOW WINDS FOCUS NEW DEVELOPMENT. THE AIRMASS ACROSS ALL OF THE AREA WILL BE VERY UNSTABLE BY LATE THIS AFTERNOON AS TEMPERATURES RISE INTO THE LOWER AND MID 90S. THE DEGREE OF INSTABILITY SUGGESTS THAT A FEW OF THE STORMS WILL BE SEVERE AND PRODUCE LARGE HAIL AND DAMAGING WINDS. WINDS ALOFT ARE RATHER WEAK...AND SLOW MOVING STORMS WILL PRODUCE LOCALLY HEAVY RAINS. THUNDERSTORM INTENSITIES WILL GRADUALLY DIMINISH AFTER SUNSET. EMERGENCY MANAGEMENT AGENCIES AND STORM SPOTTER GROUPS SHOULD MONITOR THE LATEST WEATHER CONDITIONS AND BE READY FOR POSSIBLE ACTIVATION THIS AFTERNOON THROUGH EARLY TONIGHT.
Local storm report, Jul 16, 2:48 PM CDT, 48 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
248 PM CDT WED JUL 16 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0815 PM TULSA OK STREET FLOODING
07/15/97 TULSA REPORTED IN WESTERN PARTS
OF CITY OF TULSA NEAR AND
SOUTH OF DOWNTOWN
0807 PM 5 SW TULSA OK 0.75 INCH HAIL
07/15/97 TULSA
0825 PM 6 E NEW PRUE OK 0.75 INCH HAIL
07/15/97 OSAGELocal storm report, Jul 16, 2:49 PM CDT, 47 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
248 PM CDT WED JUL 16 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0815 PM TULSA OK STREET FLOODING
07/15/97 TULSA REPORTED IN WESTERN PARTS
OF CITY OF TULSA NEAR AND
SOUTH OF DOWNTOWN
0807 PM 5 SW TULSA OK 0.75 INCH HAIL
07/15/97 TULSA
0825 PM 6 E NEW PRUE OK 0.75 INCH HAIL
07/15/97 OSAGELocal storm report, Jul 16, 3:09 PM CDT, 27 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
310 PM CDT WED JUL 16 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0645 PM TULSA OK 0.75 INCH HAIL
07/15/97 TULSA REPORTED NEAR HIGHWAY 169
AND 61ST STREET SOUTHLocal storm report, Jul 16, 3:10 PM CDT, 26 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
310 PM CDT WED JUL 16 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0645 PM TULSA OK 0.75 INCH HAIL
07/15/97 TULSA REPORTED NEAR HIGHWAY 169
AND 61ST STREET SOUTHNearby
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; the sounding from the Mesonet's radiosonde archive.