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Severe Thunderstorm Watch 440
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WW0440 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
High Moderate
Severe Hail 2"+ Hail
Moderate Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL0

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 440
   NWS Storm Prediction Center Norman OK
   435 PM CDT Tue Jul 5 2022

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Northeast Iowa
     Northern Illinois
     Northwest Indiana
     Southern Wisconsin
     Lake Michigan

   * Effective this Tuesday afternoon from 435 PM until Midnight
     CDT.

   * Primary threats include...
     Scattered damaging winds and isolated significant gusts to 80
       mph likely
     Scattered large hail and isolated very large hail events to 2
       inches in diameter possible

   SUMMARY...Thunderstorms are developing along a weak boundary.  These
   storms will pose a risk of large hail and damaging winds late this
   afternoon.  A fast-moving bow echo over northwest Iowa will approach
   parts of the watch area by early evening, resulting in an increased
   risk of widespread damaging wind gusts and some hail.

   The severe thunderstorm watch area is approximately along and 55
   statute miles north and south of a line from 20 miles west northwest
   of Waterloo IA to 35 miles north of Valparaiso IN. For a complete
   depiction of the watch see the associated watch outline update
   (WOUS64 KWNS WOU0).

   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 437...WW 438...WW 439...

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   2 inches. Extreme turbulence and surface wind gusts to 70 knots. A
   few cumulonimbi with maximum tops to 550. Mean storm motion vector
   28030.

   ...Hart
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Page last modified: July 06, 2022
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