URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 189
NWS STORM PREDICTION CENTER NORMAN OK
100 PM EDT MON MAY 20 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
  LOWER MICHIGAN
  LAKE HURON
  LAKE MICHIGAN

* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 100 PM UNTIL
  800 PM EDT.

* PRIMARY THREATS INCLUDE...
  SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
    INCHES IN DIAMETER POSSIBLE
  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES WEST
NORTHWEST OF ALPENA MICHIGAN TO 40 MILES SOUTH OF JACKSON
MICHIGAN.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

&&

DISCUSSION...IN THE PRESENCE OF AT LEAST MODEST DEEP LAYER
SHEAR...STORM DEVELOPMENT IS EXPECTED TO CONTINUE INCREASING IN
COVERAGE AND INTENSITY ALONG AN EASTWARD PROGRESSING WIND
SHIFT...ENHANCED BY THE LAKE BREEZE...ACROSS LOWER MICHIGAN THIS
AFTERNOON.  BENEATH FAIRLY STEEP LAPSE RATES...SURFACE HEATING OF A
MOIST BOUNDARY LAYER HAS YIELDED LARGE MIXED LAYER CAPE OF
2000-3000+ J/KG... SUPPORTIVE OF SEVERE STORMS CAPABLE OF PRODUCING
LARGE HAIL.  CONSOLIDATING CONVECTIVELY GENERATED COLD POOLS MAY
CONTRIBUTE TO INCREASING POTENTIAL FOR POTENTIALLY DAMAGING WIND
GUSTS THROUGH THE AFTERNOON.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 24035.


...KERR

STATUS REPORT ON WW 189

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 WSW BEH
TO 20 NE BEH TO 20 ENE MKG TO 45 W PLN.

..ROGERS..05/20/13

ATTN...WFO...APX...GRR...DTX...


STATUS REPORT FOR WS 189 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

MIC001-005-007-009-011-015-017-025-029-031-035-037-039-045-047-
049-051-055-057-063-065-067-069-073-075-077-079-081-085-087-093-
099-107-111-113-117-119-123-125-129-133-135-137-139-141-143-145-
147-151-155-157-159-161-163-165-202040-

MI 
.    MICHIGAN COUNTIES INCLUDED ARE

ALCONA               ALLEGAN             ALPENA              
ANTRIM               ARENAC              BARRY               
BAY                  CALHOUN             CHARLEVOIX          
CHEBOYGAN            CLARE               CLINTON             
CRAWFORD             EATON               EMMET               
GENESEE              GLADWIN             GRAND TRAVERSE      
GRATIOT              HURON               INGHAM              
IONIA                IOSCO               ISABELLA            
JACKSON              KALAMAZOO           KALKASKA            
KENT                 LAKE                LAPEER              
LIVINGSTON           MACOMB              MECOSTA             
MIDLAND              MISSAUKEE           MONTCALM            
MONTMORENCY          NEWAYGO             OAKLAND             
OGEMAW               OSCEOLA             OSCODA              
OTSEGO               OTTAWA              PRESQUE ISLE        
ROSCOMMON            SAGINAW             ST. CLAIR           
SANILAC              SHIAWASSEE          TUSCOLA             

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 192
NWS STORM PREDICTION CENTER NORMAN OK
220 PM CDT MON MAY 20 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  CENTRAL AND NORTHERN TEXAS

* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 220 PM UNTIL
  1000 PM CDT.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES POSSIBLE
  SEVERAL LARGE HAIL EVENTS LIKELY WITH A FEW VERY LARGE HAIL
    EVENTS TO 3 INCHES IN DIAMETER POSSIBLE
  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES WEST NORTHWEST OF
SHERMAN TEXAS TO 65 MILES SOUTHEAST OF SAN ANGELO TEXAS.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 189...WW 190...WW 191...

DISCUSSION...DISCRETE SUPERCELLS ARE EXPECTED TO INITIATE ALONG THE
DRYLINE DURING THE NEXT FEW HOURS...BEFORE 30-40 KT DEEP LAYER MEAN
WEST SOUTHWESTERLY FLOW SUPPORTS PROPAGATION AWAY FROM THE DRY LINE
INTO PARTS OF NORTHERN AND CENTRAL TEXAS.  LOW-LEVEL HODOGRAPHS ARE
EXPECTED TO STILL STRENGTHEN SOME LATE THIS AFTERNOON INTO THE
EVENING...PARTICULARLY NEAR THE RED RIVER.  AS THIS OCCURS...AND
ACTIVITY SPREADS INTO A LESS STRONGLY HEATED/HIGHER RELATIVELY
HUMIDITY BOUNDARY LAYER AIR MASS EAST OF THE DRY LINE...A RISK FOR
TORNADOES WILL EXIST...IN ADDITION TO THE POTENTIAL FOR LARGE HAIL
AND LOCALLY DAMAGING WIND GUSTS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 25025.


...KERR

STATUS FOR WATCH 0192 HAS NOT BEEN ISSUED YET

STATUS FOR WATCH 0191 HAS NOT BEEN ISSUED YET

FEMA Daily Operations Brief for Monday, May 20, 2013 is attached. 

• 20130520 FEMA Daily Ops Briefing_830.pdf

FEMA Daily Operations Brief for Sunday, May 19, 2013 is attached.

• 20130519 FEMA Daily Ops Briefing_830.pdf