Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 306, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jun 9, 1998, 7:15 PM CDT for Tillman County, Oklahoma; Wilbarger County, Texas. It was in force for 45 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
- Jun 9, 1998, 7:15 PM CDT (00:15 UTC)
- Expired
- Jun 9, 1998, 8:00 PM CDT
- In force
- 45 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Tillman County, OK, Wilbarger County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 9, 7:16 PM CDT | Hail 0.75 | Vernon, TX |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 9, 3:15 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 0.3 hours before the alert went out and 189 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
- 3007 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1503 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 6.8
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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 9, 3:25 PM CDT, 3 hours 50 minutes earlier.
Area forecast discussion, Jun 9, 3:25 PM CDT, 3 hours 50 minutes before
FPUS3 KOKC 092026 AFDOKC AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORMAN OK 325 PM CDT TUE JUN 9 1998 SEVERE STORMS ARE DEVELOPING RAPIDLY IN THE SOUTHWEST CORNER OF THE FORECAST AREA. WE EXPECT CONTINUED DEVELOPMENT THROUGH THE EVENING...ESPECIALLY ALONG AND NEAR THE WEAKENING FRONTAL SYSTEM STRETCHED FROM NEAR STILLWATER TO ALTUS. UPPER FLOW IS ROUGHLY PARALLEL TO THE FRONTAL BOUNDARY WHICH SUGGESTS THE POSSIBILITY OF TRAINING STORMS. HAVE CONSIDERED THE POSSIBILITY OF A FLASH FLOOD WATCH...BUT AM NOT QUITE SATISFIED THAT WE CAN REACH GUIDANCE LEVELS OVER A WIDESPREAD AREA TONIGHT. FLOOD POTENTIAL APPEARS HIGHER TOMORROW EVENING...ONCE THE GROUND IS MORE SATURATED AFTER THE STORMS TONIGHT. ALTHOUGH THE MODELS DEVELOP AN UPPER RIDGE OVER US TONIGHT...IT APPEARS THAT SHORT WAVES WILL CONTINUE TO RIDE OVER THE RIDGE AND WILL LIKELY ADD SOME SUPPORT FOR CONVECTION FROM TIME TO TIME. MORE IMPORTANTLY...LEFTOVER BOUNDARIES FROM DAILY CONVECTION WILL PROVIDE SEEMINGLY RANDOM FAVORED AREAS FOR MORE CONVECTION. AM GUESSING THAT THE MAIN BOUNDARY TOMORROW WILL BE THE SOUTHERN OUTFLOW FROM THE STORMS TONIGHT. SO HAVE PLACED HIGHEST POPS IN SOUTH FOR TOMORROW. AFTER THAT...POPS ARE MORE UNIFORM. MOS TEMPERATURES ARE MOSTLY QUITE REASONABLE AND HAVE STRAYED LITTLE FROM THEM. INCREASING MOISTURE ASSOCIATED WITH RETURN TO SOUTHERLY LOW LEVEL FLOW SHOULD KEEP MINIMUM TEMPERATURES FAIRLY WARM FOR QUITE A WHILE. HAVE MADE A MINOR CHANGE TO THE EXTENDED PERIODS. MRF SUGGESTS ELEVATED CHANCES FOR PRECIPITATION ON SATURDAY...SO UPPED THE POPS FOR THAT DAY SLIGHTLY. COORD TUL. FCSTID = 23 = CMS OKC 70 86 71 88 / 70 40 50 30 HBR 66 88 69 90 / 60 40 50 30 SPS 73 92 75 94 / 60 50 50 30 GAG 58 86 63 86 / 40 30 40 20 PNC 70 88 72 85 / 70 30 50 30 DUA 75 85 75 90 / 50 40 40 30 .OKC... OK...NONE. TX...NONE.
In the hours before
Local storm report, Jun 9, 3:49 PM CDT, 3 hours 26 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
345 PM CDT TUE JUN 9 1998
TIME (CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0315 PM TRUSCOTT TX 1.75 INCH HAIL
06/09/98 KNOX
JSLocal storm report, Jun 9, 5:47 PM CDT, 1 hour 28 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
535 PM CDT TUE JUN 9 1998
TIME (CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0423 PM ELECTRA TX 60 MPH WIND REPORTED
06/09/98 WICHITA IN THE CITY.
0430 PM 2 E ELECTRA TX 1.75 HAIL.
06/09/98 WICHITA
0435 PM MAYBELLE TX WIND DAMAGE.
06/09/98 BAYLOR 2 INCH DIAMETER
TREE LIMBS BLOWN DOWN.
0437 PM IOWA PARK TX 70 MPH WINDS REPORTED IN
06/09/98 WICHITA THE CITY.
0458 PM WICHITA FALLS TX 0.88 INCH HAIL REPORTED
06/09/98 WICHITA IN NORTHERN PART OF CITY.
0502 PM WICHITA FALLS TX 1.75 INCH HAIL
06/09/98 WICHITA
0503 PM DUNDEE TX 0.75 INCH HAIL
06/09/98 ARCHER
0504 PM SHEPPARD AFB TX MEASURED 79 MPH WIND
06/09/98 WICHITA
0520 PM 3 SW DEAN TX 70 MPH WIND
06/09/98 CLAY
0534 PM 3 SW HOLIDAY TX 4.5 INCH HAIL
06/09/98 ARCHER
FM/TLLocal storm report, Jun 9, 5:58 PM CDT, 1 hour 17 minutes before
LOCAL STORM REPORT...CORRECTED HAIL SIZE...
NATIONAL WEATHER SERVICE NORMAN OK
535 PM CDT TUE JUN 9 1998
TIME (CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0534 PM 3 SW HOLIDAY TX 1.75 INCH HAIL.
06/09/98 ARCHER
TLLocal storm report, Jun 9, 6:56 PM CDT, 19 minutes before
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</html>Local storm report, Jun 9, 7:01 PM CDT, 14 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
700 PM CDT TUE JUN 9 1998
TIME (CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0650 PM WICHITA FALLS TX ...FLOODING...
06/09/98 WICHITA BACON SWITCH ROAD FLOODED
0658 PM HEALDTON OK 80 MPH WIND
06/09/98 CARTER
FMThe office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 7:09 PM CDT | Flash Flood Warning | OUN | Murray | 2 hr |
| Jun 9, 7:31 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Johnston, Love, Marshall | 44 min |
| Jun 9, 7:31 PM CDT | Severe Thunderstorm Warning | OUN | Pontotoc | 44 min |
| Jun 9, 7:58 PM CDT | Severe Thunderstorm Warning | OUN | Coal | 47 min |
| Jun 9, 8:06 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan | 39 min |
| Jun 9, 8:09 PM CDT | Severe Thunderstorm Warning | OUN | Love | 51 min |
| Jun 9, 8:43 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Coal | 47 min |
| Jun 9, 8:43 PM CDT | Severe Thunderstorm Warning | OUN | Bryan | 47 min |
| Jun 9, 8:44 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 46 min |
| Jun 9, 8:55 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Tillman | 50 min |
| Jun 9, 9:41 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Stephens | 34 min |
| Jun 9, 10:02 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Kiowa | 43 min |
| Jun 9, 10:15 PM CDT | Severe Thunderstorm Warning | OUN | Stephens | 45 min |
| Jun 9, 10:44 PM CDT | Severe Thunderstorm Warning | OUN | Comanche | 46 min |
| Jun 9, 10:54 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Garvin, Stephens | 51 min |
| Jun 9, 11:14 PM CDT | Severe Thunderstorm Warning | OUN | Murray | 31 min |
| Jun 9, 11:18 PM CDT | Flash Flood Warning | OUN | Murray | 87 min |
| Jun 9, 11:46 PM CDT | Severe Thunderstorm Warning | OUN | Garvin, Stephens | 44 min |
| Jun 9, 11:49 PM CDT | Severe Thunderstorm Warning | OUN | Johnston, Murray, Pontotoc | 41 min |
| Jun 10, 12:05 AM CDT | Severe Thunderstorm Warning | OUN | Caddo, Kiowa, Washita | 40 min |
| Jun 10, 12:47 AM CDT | Severe Thunderstorm Warning | OUN | Coal | 28 min |
| Jun 10, 1:18 AM CDT | Severe Thunderstorm Warning | OUN | Atoka | 27 min |
| Jun 10, 2:12 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Johnston, Marshall | 48 min |
| Jun 10, 2:43 PM CDT | Severe Thunderstorm Warning | OUN | Johnston, Murray, Pontotoc | 47 min |
| Jun 10, 3:30 PM CDT | Severe Thunderstorm Warning | OUN | Seminole | 45 min |
| Jun 10, 6:15 PM CDT | Severe Thunderstorm Warning | OUN | Garfield | 45 min |
| Jun 9, 7:25 PM CDT | Severe Thunderstorm Warning | OUN | Clay | 35 min |
| Jun 9, 9:34 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Wichita | 36 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1998Severe Thunderstorm Warnings in Texas, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.