Mesoscale Discussion 290

Issued

Mar 30, 2016, 3:54 PM CDT (20:54 UTC)

Expired

Mar 30, 2016, 5:30 PM CDT

In force

96 min

Issued by

the Storm Prediction Center

The Altus AFB radar (KFDR), 117 km from the middle of the area, began a volume at 20:56 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.

• Severe Thunderstorm Watch 62Mar 30, 5:35 PM CDT

766 
ACUS11 KWNS 302055
SWOMCD
SPC MCD 302054 
OKZ000-TXZ000-KSZ000-302230-

MESOSCALE DISCUSSION 0290
NWS STORM PREDICTION CENTER NORMAN OK
0354 PM CDT WED MAR 30 2016

AREAS AFFECTED...PORTIONS OF WRN N INTO N-CNTRL TX...WRN/CNTRL
OK...AND S-CNTRL KS

CONCERNING...SEVERE THUNDERSTORM WATCH 58...59...

VALID 302054Z - 302230Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
58...59...CONTINUES.

SUMMARY...LARGE HAIL CONTINUES TO BE THE MAIN THREAT WITH ONGOING
STRONG/SEVERE THUNDERSTORMS ACROSS WW 58 AND 59. AN EWD EXPANSION OF
BOTH WATCHES MAY BE NEEDED OVER THE NEXT HOUR OR TWO IN OK/TX.

DISCUSSION...TWO AREAS OF SCATTERED SEVERE THUNDERSTORMS ARE ONGOING
AS OF 2045Z...ONE OVER S-CNTRL KS/N-CNTRL OK...AND ANOTHER ACROSS
S-CNTRL OK INTO WRN N TX AND N-CNTRL TX. IN BETWEEN THESE CLUSTERS
OF THUNDERSTORMS...A GAP IN THUNDERSTORM DEVELOPMENT IS EVIDENT
ACROSS MUCH OF CNTRL OK WHERE CONVECTION OCCURRED EARLIER THIS
MORNING. MANUAL OBSERVATION AND VISIBLE SATELLITE IMAGERY ALSO SHOWS
SUPPRESSED CUMULUS...SUGGESTING THE SEVERE RISK ACROSS MUCH OF CNTRL
OK WILL REMAIN LIMITED IN THE SHORT TERM.

ACROSS N-CNTRL OK AND S-CNTRL KS...MULTIPLE LARGE HAIL REPORTS OF
1-2 INCHES HAVE BEEN RECEIVED WITH SPLITTING SUPERCELLS BEING
OBSERVED. FURTHER S ACROSS S-CNTRL OK INTO WRN N TX/N-CNTRL
TX...CONVECTION HAS REMAINED MORE ISOLATED. A SIMILAR
THERMODYNAMIC/KINEMATIC ENVIRONMENT FOR BOTH OF THESE REGIONS WILL
REMAIN FAVORABLE FOR A LARGE HAIL THREAT...WITH ISOLATED DAMAGING
WINDS ALSO POSSIBLE. THE TORNADO THREAT REMAINS RELATIVELY LOW
ACROSS BOTH SEVERE THUNDERSTORM WATCHES AS AREA VWPS SUGGEST
LOW-LEVEL WINDS REMAIN VEERED TO THE SW. AN EWD EXTENSION OF WW 58
AND 59 MAY BE NEEDED IN THE NEXT HOUR OR TWO FOR PARTS OF S-CNTRL OK
INTO N-CNTRL/NERN TX AS ADDITIONAL CONVECTION FORMS/MOVES INTO THESE
AREAS.

..GLEASON.. 03/30/2016

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...TSA...ICT...FWD...OUN...SJT...

LAT...LON   31949968 32599976 34139861 38119740 38139667 38109602
            36979599 33669627 32859628 31669730 31479876 31949968

Mesoscale Discussions in Texas, 2016Mesoscale Discussions in Oklahoma, 2016Mesoscale Discussions in Kansas, 2016Every mesoscale discussion in 2016

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.