Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 346, NWS Norman, OK

July 10, 1997Comanche County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jul 10, 1997, 6:31 PM CDT for Comanche County, Oklahoma. It was in force for 59 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 10, 1997, 6:31 PM CDT (23:31 UTC)
Expired: Jul 10, 1997, 7:30 PM CDT
In force: 59 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Comanche County, OK

What was reported inside it

Time	Report	Where	Remark
Jul 10, 7:00 PM CDT	Thunderstorm Wind 52	Lawton, OK

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

Fort Sill, OK (KFSI), launched 12:00Z, 11.5 hours before the alert went out and 7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1333 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 919 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 56 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 10, 4:03 PM CDT, 2 hours 28 minutes earlier.

Area forecast discussion, Jul 10, 4:03 PM CDT, 2 hours 28 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
400 PM CDT THU JUL 10 1997

THINGS ARE GETTING KIND OF HECTIC AROUND HERE SO WILL BE BRIEF.
SHOWERS AND THUNDERSTORMS HAVE DVLPD IN MST AXIS WHICH EXTENDS FROM
THE NORTH CNTL TO SOUTHWEST ZNS THIS AFTN. OUTFLOW BNDRY HELPED TO
GET A COUPLE OF SVR STMS GOING OVR N CNTL ZNS WITH ENHANCED
CONVERGENCE/BACKING OF LOW LVL WINDS. ANTOHER LARGE BATCH OF STMS HAS
DVLPD OVR W TEXAS IN ASSOC WITH S/WV THAT WILL MOVE NEWD TWD WRN ZNS
AS PROGGED BY ALL MDLS. EVEN THOUGH FFG IS NOT TOO LOW...WITH INCRSD
MSTR AND POSSIBLE TRAIN ECHOES...WILL ISSUE A FLASH FLOOD WATCH FOR N
CNTL AND SW OK FOR TNGT.

HAVE OPTED TO KEEP CHC TO SLGT CHC POPS THRU REST OF EARLY PDS WITH
NOT TOO MUCH CHANGE IN CURRENT AIRMASS...ALTHOUGH EXPECT LESS PRECIP
BY SAT WHEN CAP SHOWS SIGNS OF STRENTHENING.

DIDN'T STRAY TOO FAR FROM NGM MOS...FAN TEMPS LOOKED A BIT LOW.

FCSTID = 17/MMT
OKC   71  92  72  94 /  30  30  30  20
HBR   70  92  72  98 /  60  30  20  20
SPS   71  93  73  98 /  40  30  20  20
GAG   69  90  71  97 /  20  30  20  20
PNC   74  90  75  96 /  60  30  30  20
DUA   73  93  74  95 /  20  20  30  30

.OKC...
OK...FLASH FLOOD WATCH TNGT FOR ZONES OKZ006>008...
OKZ011>013...OKZ015>018...OKZ021>023...OKZ033>036...OKZ038.

TX...NONE.

In the hours before

Local storm report, Jul 10, 1:59 PM CDT, 4 hours 32 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
200 PM CDT THU JUL 10 1997

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

155 PM     TONKAWA                   OK   0.75 INCH HAIL
07/10/97   KAY

JS

Local storm report, Jul 10, 2:00 PM CDT, 4 hours 31 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
200 PM CDT THU JUL 10 1997

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

155 PM     TONKAWA                   OK   0.75 INCH HAIL
07/10/97   KAY

JS

Local storm report, Jul 10, 2:27 PM CDT, 4 hours 4 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
230 PM CDT THU JUL 10 1997

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

210 PM     1 SW "PONCA CITY           OK   TREES AND POWER LINES DOWN
07/10/97   KAY

JS

Local storm report, Jul 10, 2:30 PM CDT, 4 hours 1 minute before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OKLAHOMA
230 PM CDT THU JUL 10 1997

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

210 PM     1 SW PONCA CITY           OK   TREES AND POWER LINES DOWN
07/10/97   KAY

JS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 1:38 PM CDT	Severe Thunderstorm Warning	OUN	Kay	52 min
Jul 10, 2:55 PM CDT	Flash Flood Warning	OUN	Kay	95 min
Jul 10, 3:41 PM CDT	Severe Thunderstorm Warning	OUN	Logan	49 min
Jul 10, 4:00 PM CDT	Flash Flood Warning	OUN	Logan	3 hr
Jul 10, 4:25 PM CDT	Severe Thunderstorm Warning	OUN	Canadian	50 min
Jul 10, 6:06 PM CDT	Severe Thunderstorm Warning	OUN	Woods	39 min
Jul 10, 6:45 PM CDT	Flash Flood Warning	OUN	Caddo, Comanche	3 hr
Jul 10, 6:54 PM CDT	Severe Thunderstorm Warning	OUN	Woods	66 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1997 Every 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.