Skip Navigation Links weather.gov 
NOAA logo-Select to go to the NOAA homepage NOAA's National Weather Service   Select to go to the NWS homepage
Storm Prediction Center
navigation bar left  
  navigation bar end cap


 
USA.gov is the U.S. Government's official Web portal to all Federal, state and local government Web resources and services.

Particularly Dangerous Situation (PDS) Severe Thunderstorm Watch 375
< Previous WW         Next WW >
  | | | | | |  
WW0375 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Low
Severe Wind 65 kt+ Wind
High High
Severe Hail 2"+ Hail
Moderate Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL5

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 375
   NWS STORM PREDICTION CENTER NORMAN OK
   335 PM CDT MON JUN 30 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     NORTHERN AND EASTERN ILLINOIS
     NORTHWEST AND NORTH CENTRAL INDIANA
     SOUTHWEST LOWER MICHIGAN
     EASTERN WISCONSIN
     LAKE MICHIGAN

   * EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 335 PM UNTIL
     900 PM CDT.

   ...THIS IS A PARTICULARLY DANGEROUS SITUATION...

   * PRIMARY THREATS INCLUDE...
     WIDESPREAD DAMAGING WINDS AND SCATTERED SIGNIFICANT GUSTS TO 80
       MPH LIKELY
     ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
     A TORNADO OR TWO POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
   STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTHEAST OF
   MILWAUKEE WISCONSIN TO 65 MILES SOUTH SOUTHWEST OF VALPARAISO
   INDIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).

   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.

   &&

   OTHER WATCH INFORMATION...CONTINUE...WW 373...WW 374...

   DISCUSSION...FAR ERN IA DERECHO-PRODUCING MCS EXPECTED TO MOVE
   MAINLY E THROUGH EARLY TNGT. THE CONVECTIVE SYSTEM WILL ENCOUNTER
   SLIGHTLY LESS UNSTABLE LOW-LVL ENVIRONMENT OVER NE IL/SE WI RELATIVE
   TO THAT OVER ERN IA/WRN IL. BUT GIVEN EXISTING STRENGTH OF
   CONVECTIVE SYSTEM...AND LIKELIHOOD FOR SOME INCREASE IN THE MEAN
   FLOW OVER NRN IL AS NW MO UPR IMPULSE APPROACHES...EXPECTED AN
   ORGANIZED BAND OF SVR STORMS TO CONTINUE E AT LEAST AS FAR AS LK MI.
   BACKING OF DEEP FLOW AHEAD OF MO IMPULSE...AND CONTINUED NWD SPREAD
   OF LOW-LVL MOISTURE...FURTHER SUGGEST THAT THE SQLN COULD BUILD A
   BIT FARTHER N INTO WI WITH TIME.

   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
   MOTION VECTOR 27045.


   ...CORFIDI
Top of Page/Status Messages for this watch/All Current Watches/Forecast Products/Home
Weather Topics:
Watches, Mesoscale Discussions, Outlooks, Fire Weather, All Products, Contact Us

NOAA / National Weather Service
National Centers for Environmental Prediction
Storm Prediction Center
120 David L. Boren Blvd.
Norman, OK 73072 U.S.A.
spc.feedback@noaa.gov
Page last modified: July 01, 2014
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities