Alert archive / Arkansas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 248, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 14, 1997, 7:30 PM CDT for Benton County, Arkansas. It was in force for 30 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
- Jul 14, 1997, 7:30 PM CDT (00:30 UTC)
- Expired
- Jul 14, 1997, 8:00 PM CDT
- In force
- 30 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Benton County, AR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 14, 7:40 PM CDT | Hail 0.75 | Cave Spgs, AR | Isolated severe thunderstorms developed in Benton County of extreme northwest Arkansas during the late afternoon and early evening of July 14th and produced quarter size hail at Monte Ne and dime size hail at Cave Springs. |
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 00:00Z, 0.5 hours before the alert went out and 74 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
- 3730 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1063 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 150031 RRA SVRTUL ARC007-150100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 730 PM CDT MON JUL 14 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST ARKANSAS ...SOUTHERN BENTON COUNTY AT 730 PM RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES SOUTHWEST OF BENTONVILLE. THIS STORM WAS MOVING SOUTHEAST AT 10 MILES AN HOUR. CAVE SPRINGS IS IN THE PATH OF THIS STORM. HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.
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 14, 3:43 PM CDT, 3 hours 47 minutes earlier.
Area forecast discussion, Jul 14, 3:43 PM CDT, 3 hours 47 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 340 PM CDT MON JUL 14 1997 MESONET SHOWING WK SFC TROF ALONG I-44 WITH DWPTS POOLING INTO THE UPPER 70S TO NEAR 80 ALONG BNDRY. THERE ARE SOME DECENT NNE WINDS N OF THE BNDRY IN AREAS N AND W OF TULSA. VIS SAT PICS SHOW CU FIELD INCREASING SOME IN THIS AREA AND ALSO N INTO SC/SE KS. APPEARS TO BE SOME SPIN IN DEBRIS CLOUDS IN KS...LEFT FROM THIS MORN'S CONVECTION IN SW KS...AND THIS FEATURE SHOULD DRIFT SE INTO NE OK/NW ARK THIS EVE. SO EVEN THO RADAR IS CURRENTLY QUIET...WITH THE AMT OF INSTABLILTY AVAILABLE WILL KEEP AT LEAST SLGT CHC POPS FOR TSRA THIS EVE ACRS FA. AT FIRST LOOK...REST OF FCST LOOKS HOT AND DRY WITH UPPER RDG JUST W OF FA. BUT FA WILL REMAIN IN A PATTERN THAT CAN BRING A SURPRISE LATE NIGHT/EARLY MORNING ROUND OF PCP. H7 TMPS FCST TO REMAIN BETWEEN 8-10 DEG C WITH DIFLUENT H85-H3 THICKNESS HEADED INTO FA IN NW FLO. H85 SSW WINDS AT 20-30 KNTS FCST INTO W/C KS TONIGHT IN H85 MOIST AXIS SHUD MOVE E INTO E KS/C OK TUE NIGHT. WON'T INCLUDE ANY POPS OVR 20% IN LATER PERIODS IN THIS PACKAGE...BUT LATER SHIFTS MAY HAVE TO PONDER THIS FURTHER. SOME DRIER LLVL AIR WILL TRY TO PUSH INTO NRN ZNS TONIGHT AND MAY BRING SOME HUMIDIY RELIEF ON TUE. WILL BE ANOTHER HOT DAY IN SRN ZNS HOWEVER...WHERE HUMIDITY WILL LIKELY REMIAN. HOT TMPS WILL CONT INTO WED...WITH ONLY PSBL RELIEF COMING FROM ANY DEBRIS CLDS FROM EARLY MORNING CONVECTION. EXTENDED LOOKS HOT WITH LTL CHC FOR PCP AS UPPER RDG REMAINS IN CONTROL OVR THE CENTRAL U.S. /13 TUL 073/095 076/096 077 2112 FSM 072/096 071/096 071 2111 MLC 072/097 071/097 073 2111 BVO 070/096 072/097 074 21-3 FYV 067l/092 066/092 069 21-2 IDB 069/097 068/097 069 2111 BYV 065/091 066/091 068 2--2 .TUL... OK...NONE. AR...NONE.
In the hours before
Local storm report, Jul 14, 7:12 PM CDT, 18 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
712 PM CDT MON JUL 14 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
640 PM MONTE NE SHORES AR 1.00 IN HLocal storm report, Jul 14, 7:13 PM CDT, 17 minutes before
STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE TULSA, OK
713 PM CDT MON JUL 14 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0640 PM MONTE NE SHORES AR 1.00 INCH HAIL
07/14/97 BENTONLocal storm report, Jul 14, 7:14 PM CDT, 16 minutes before
STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE TULSA, OK
713 PM CDT MON JUL 14 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0640 PM MONTED NE SHORES AR 1.00 INCH HAIL
07/14/97 BENTONNearby
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.