Mesoscale Discussion 374

Issued

Mar 28, 2012, 3:37 PM CDT (20:37 UTC)

Expired

Mar 28, 2012, 5:30 PM CDT

In force

113 min

Issued by

the Storm Prediction Center

The Jackson,KY radar (KJKL), 57 km from the middle of the area, began a volume at 20:39 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.

038 
ACUS11 KWNS 282038
SWOMCD
SPC MCD 282037
VAZ000-WVZ000-KYZ000-OHZ000-282230-

MESOSCALE DISCUSSION 0374
NWS STORM PREDICTION CENTER NORMAN OK
0337 PM CDT WED MAR 28 2012

AREAS AFFECTED...CENTRAL/EASTERN KY AND FAR NORTHERN TN TO WV/FAR
WESTERN VA

CONCERNING...SEVERE THUNDERSTORM WATCH 112...

VALID 282037Z - 282230Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 112
CONTINUES.

SEVERE TSTM WATCH 112 CONTINUES UNTIL 01Z...WITH PERSISTENT
POTENTIAL FOR SEVERE HAIL/DAMAGING WINDS AS STORMS SPREAD
EAST-SOUTHEASTWARD THROUGH LATE AFTERNOON/EARLY EVENING. AREAS ON
THE SOUTHERN FRINGE OF WW 112...INCLUDING SOUTHEAST KY/FAR WESTERN
VA AND PERHAPS FAR NORTHEAST TN...WILL NEED TO BE MONITORED OVER THE
NEXT FEW HOURS FOR A WATCH EXTENSION AND/OR NEW WATCH.

SCATTERED SEVERE TSTMS CONTINUE TO OCCUR WITH A WSW-ENE ORIENTED
NEAR/PRE-FRONTAL CORRIDOR FROM NORTHERN KY TO THE SPINE OF THE
APPALACHIANS IN VICINITY OF FAR EASTERN WV/FAR WESTERN VA. A STEEP
LOW-MID LEVEL LAPSE RATE ENVIRONMENT EXISTS WITH MLCAPE GENERALLY TO
750-1000 J/KG /SPC OBJECTIVE ANALYSIS/...IN CONJUNCTION WITH
STRONG/NEARLY UNIDIRECTIONAL DEEP LAYER WESTERLY FLOW...IS
SUPPORTING SPLITTING STORMS/RIGHT MOVING SUPERCELLS.
ACCORDINGLY...POTENTIAL FOR SEVERE HAIL WILL REMAIN COMMON...WITH
DAMAGING WINDS ALSO A CONCERN AS STORMS TEND TO CONGEAL/SPREAD
EAST-SOUTHEASTWARD OVER THE NEXT FEW HOURS...ALBEIT WITHIN A
MODESTLY FORCED REGIME. EVOLUTION OF THE BROKEN LINE OF
CONVECTION...ALONG WITH THE ADJACENT WARM SECTOR CUMULUS
FIELD...WILL CONTINUED TO BE MONITORED FOR THE POSSIBILITY OF A
SEVERE THREAT DEVELOPING S/SE INTO SOUTHEAST KY/FAR WESTERN VA AND
PERHAPS NORTHEAST TN WHERE THE BOUNDARY LAYER IS MODESTLY
UNSTABLE/WEAKLY CAPPED. SUCH A THREAT IN THESE AREAS WOULD LIKELY
REQUIRE A WATCH EXTENSION AND/OR PERHAPS A NEW SEVERE TSTM WATCH.

..GUYER.. 03/28/2012

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

ATTN...WFO...LWX...RNK...RLX...MRX...JKL...ILN...LMK...PAH...

LAT...LON   37788686 38228458 38578267 38858135 38898001 38527865
            37647946 36638245 37078625 37788686

Mesoscale Discussions in Kentucky, 2012Mesoscale Discussions in West Virginia, 2012Mesoscale Discussions in Virginia, 2012Every mesoscale discussion in 2012

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.