Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 330, NWS Norman, OK

June 10, 1998Johnston County, Murray County, Pontotoc County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 10, 1998, 2:43 PM CDT for Johnston County, Murray County, Pontotoc County, Oklahoma. It was in force for 47 min. 4 reports 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 10, 1998, 2:43 PM CDT (19:43 UTC)
Expired
Jun 10, 1998, 3:30 PM CDT
In force
47 min
Issued by
NWS Norman, OK
Area
Whole counties

Counties Johnston County, OK, Murray County, OK, Pontotoc County, OK

The radar

The Norman radar (KTLX), 101 km from the middle of the area, began a volume at 19:44 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
Jun 10, 2:45 PM CDTThunderstorm WindRoff, OKSevere thunderstorm winds unroofed a house.
Jun 10, 2:50 PM CDTThunderstorm WindRoff, OKSevere thunderstorm winds tore the roof off a 100-year-old historic bank and partially unroofed the high school gymnasium.
Jun 10, 3:00 PM CDTThunderstorm WindAda, OKSevere winds downed trees.
Jun 10, 3:00 PM CDTThunderstorm WindSulphur, OKSevere thunderstorm winds downed large trees and signs around Sulphur.

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

Norman, OK (KOUN), launched 12:00Z, 7.7 hours before the alert went out and 96 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, Norman, OK at 12:00Z on 1998-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1631 joules per kilogram.LCLLFCEL10008507005003002001001 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, Norman, OK at 12:00Z on 1998-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.19395878Sfc1 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
1631 J/kg
Mixed-layer CIN
-273 J/kg
Mixed-layer LCL
944 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
254 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.4

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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 10, 10:35 AM CDT, 4 hours 8 minutes earlier.

Area forecast discussion, Jun 10, 10:35 AM CDT, 4 hours 8 minutes before
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In the hours before

Local storm report, Jun 10, 1:01 PM CDT, 1 hour 42 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
101 PM CDT WED JUN 10 1998

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

0505 PM    DUNDEE                    TX   2.00 INCH HAIL
06/09/98   ARCHER

0700 PM    4 W WINDTHORST            TX   .88 INCH HAIL
06/09/98   ARCHER

1150 PM    7 SE MARLOW               OK   1.25 INCH HAIL
06/09/98   STEPHENS

1225 AM    MOUNTAIN VIEW             OK   1.75 INCH HAIL
06/10/98   KIOWA

1225 AM    MOUNTAIN VIEW             OK   60 MPH WIND GUST
06/10/98   KIOWA

1210 AM    MOUNTAIN VIEW             OK   1.00 INCH HAIL
06/10/98   KIOWA

1215 AM    8 S COWDEN                OK   1.00 INCH HAIL
06/10/98   WASHITA

1215 AM    8 S COWDEN                OK   60 MPH WIND GUST
06/10/98   WASHITA

MMT
Local storm report, Jun 10, 1:01 PM CDT, 1 hour 42 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
101 PM CDT WED JUN 10 1998

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

0505 PM    DUNDEE                    TX   2.00 INCH HAIL
06/09/98   ARCHER

0700 PM    4 W WINDTHORST            TX   .88 INCH HAIL
06/09/98   ARCHER

1150 PM    7 SE MARLOW               OK   1.25 INCH HAIL
06/09/98   STEPHENS

1225 AM    MOUNTAIN VIEW             OK   1.75 INCH HAIL
06/10/98   KIOWA

1225 AM    MOUNTAIN VIEW             OK   60 MPH WIND GUST
06/10/98   KIOWA

1210 AM    MOUNTAIN VIEW             OK   1.00 INCH HAIL
06/10/98   KIOWA

1215 AM    8 S COWDEN                OK   1.00 INCH HAIL
06/10/98   WASHITA

1215 AM    8 S COWDEN                OK   60 MPH WIND GUST
06/10/98   WASHITA

MMT
Local storm report, Jun 10, 1:33 PM CDT, 1 hour 10 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
133 PM CDT WED JUN 10 1998

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

0716 PM    VERNON                    TX   .75 INCH HAIL
06/09/98   WILBARGER

CW
Local storm report, Jun 10, 1:33 PM CDT, 1 hour 10 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
133 PM CDT WED JUN 10 1998

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

0716 PM    VERNON                    TX   .75 INCH HAIL
06/09/98   WILBARGER

CW
Local storm report, Jun 10, 2:35 PM CDT, 8 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
235 PM CDT WED JUN 10 1998

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

0234 PM    3 S TISHOMINGO            OK   WIND DAMAGE
06/10/98   JOHNSTON                       2 INCH DIAMETER TREE LIMBS
                                          DOWN

SC/TL
Local storm report, Jun 10, 2:35 PM CDT, 8 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
235 PM CDT WED JUN 10 1998

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

0234 PM    3 S TISHOMINGO            OK   WIND DAMAGE
06/10/98   JOHNSTON                       2 INCH DIAMETER TREE LIMBS
                                          DOWN

SC/TL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 7:09 PM CDTFlash Flood WarningOUNMurray2 hr
Jun 9, 7:15 PM CDTSevere Thunderstorm WarningOUNTillman45 min
Jun 9, 7:31 PM CDTSevere Thunderstorm WarningOUNCarter, Johnston, Love, Marshall44 min
Jun 9, 7:31 PM CDTSevere Thunderstorm WarningOUNPontotoc44 min
Jun 9, 7:58 PM CDTSevere Thunderstorm WarningOUNCoal47 min
Jun 9, 8:06 PM CDTSevere Thunderstorm WarningOUNAtoka, Bryan39 min
Jun 9, 8:09 PM CDTSevere Thunderstorm WarningOUNLove51 min
Jun 9, 8:43 PM CDTSevere Thunderstorm WarningOUNAtoka, Coal47 min
Jun 9, 8:43 PM CDTSevere Thunderstorm WarningOUNBryan47 min
Jun 9, 8:44 PM CDTSevere Thunderstorm WarningOUNTillman46 min
Jun 9, 8:55 PM CDTSevere Thunderstorm WarningOUNComanche, Cotton, Tillman50 min
Jun 9, 9:41 PM CDTSevere Thunderstorm WarningOUNComanche, Cotton, Stephens34 min
Jun 9, 10:02 PM CDTSevere Thunderstorm WarningOUNComanche, Kiowa43 min
Jun 9, 10:15 PM CDTSevere Thunderstorm WarningOUNStephens45 min
Jun 9, 10:44 PM CDTSevere Thunderstorm WarningOUNComanche46 min
Jun 9, 10:54 PM CDTSevere Thunderstorm WarningOUNCarter, Garvin, Stephens51 min
Jun 9, 11:14 PM CDTSevere Thunderstorm WarningOUNMurray31 min
Jun 9, 11:18 PM CDTFlash Flood WarningOUNMurray87 min
Jun 9, 11:46 PM CDTSevere Thunderstorm WarningOUNGarvin, Stephens44 min
Jun 9, 11:49 PM CDTSevere Thunderstorm WarningOUNJohnston, Murray, Pontotoc41 min
Jun 10, 12:05 AM CDTSevere Thunderstorm WarningOUNCaddo, Kiowa, Washita40 min
Jun 10, 12:47 AM CDTSevere Thunderstorm WarningOUNCoal28 min
Jun 10, 1:18 AM CDTSevere Thunderstorm WarningOUNAtoka27 min
Jun 10, 2:12 PM CDTSevere Thunderstorm WarningOUNCarter, Johnston, Marshall48 min
Jun 10, 3:30 PM CDTSevere Thunderstorm WarningOUNSeminole45 min
Jun 10, 6:15 PM CDTSevere Thunderstorm WarningOUNGarfield45 min
Jun 9, 7:25 PM CDTSevere Thunderstorm WarningOUNClay35 min
Jun 9, 9:34 PM CDTSevere Thunderstorm WarningOUNArcher, Wichita36 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 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; radar from the NEXRAD Level II archive.