Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 378, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 2, 1998, 12:05 PM CDT for Madison County, Arkansas. It was in force for 25 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 2, 1998, 12:05 PM CDT (17:05 UTC)
- Expired
- Jul 2, 1998, 12:30 PM CDT
- In force
- 25 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Madison County, AR
The radar
The Western Arkansas radar (KSRX), 99 km from the middle of the area, began a volume at 17:08 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, 5.1 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
- 144 J/kg
- Mixed-layer CIN
- -145 J/kg
- Mixed-layer LCL
- 1146 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jul 2, 11:50 AM CDT, 15 minutes earlier.
Area forecast discussion, Jul 2, 11:50 AM CDT, 15 minutes before
FPUS3 KTUL 021650 AFDTUL EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1150 AM CDT THU JUL 2 1998 SLOW MOVING CONVECTION CONTINUES ACROSS FAR NE OK AND BETWEEN FYV AND FSM. EXPECT GRADUAL CLEARING CONDTIONS SIMILAR TO YESTERDAY. TEMPS WILL AGAIN GET VERY WARM ALONG RED RIVER AND SE OK...TEMPS HAVE BEEN ABOVE 100 FOR 2 DAYS IN A ROW AT IDB AND WORKING ON A 3RD. TWEAKED FRI NIGHT PD BASED ON LATEST MODEL DATA AND REMOVED POPS FOR ALL BUT NE ZONES. THINK THAT SAT WILL ALSO STAY DRY XCPT FOR SRN ZONES BUT WILL LOOK AT THAT MORE CLOSELY IN AFT PKG. REST OF FCST LOOKS OK. FCSTID = 26 TUL 87 73 94 75 / 20 30 20 10 FSM 90 71 94 73 / 20 20 20 10 MLC 97 73 94 75 / 20 20 20 10 BVO 87 71 94 73 / 20 30 20 10 FYV 87 68 90 70 / 30 40 30 20 IDB 100 72 96 72 / 20 20 10 10 BYV 87 68 90 70 / 30 40 30 20 MIO 85 70 92 72 / 40 40 30 20 MKO 87 73 94 75 / 20 30 20 10 F10 87 73 94 75 / 20 30 20 10 HHW 100 72 96 72 / 20 20 10 10 .TUL... OK...NONE. AR...NONE.
In the hours before
Local storm report, Jul 2, 9:25 AM CDT, 2 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
925 AM CDT THU JUL 02 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0815 AM BROKEN ARROW OK .75 INCH HAIL
07/02/98 TULSA SEVERAL SMALL LIMBS DOWN
AT HAIKEY CREEK PARKThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 12:05 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 40 min |
| Jul 2, 12:32 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 28 min |
| Jul 2, 3:00 PM CDT | Flash Flood Warning | TSA | Carroll, Madison | 2 hr |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1998Every severe thunderstorm warning in 1998
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.