Archive for June 2009
URGENT – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 473
NWS STORM PREDICTION CENTER NORMAN OK
1130 PM CDT THU JUN 18 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHEAST ILLINOIS
NORTHWEST INDIANA
SOUTHWEST LOWER MICHIGAN
SOUTHEAST WISCONSIN
LAKE MICHIGAN
EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 1130 PM
UNTIL 700 AM CDT.
HAIL TO 2 INCHES IN DIAMETER…THUNDERSTORM WIND GUSTS TO 70
MPH…AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 110
STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH OF
MILWAUKEE WISCONSIN TO 15 MILES SOUTHWEST OF VALPARAISO INDIANA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU3).
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 470…WW 471…WW 472…
DISCUSSION…CLUSTER OF SEVERE STORMS OVER SRN WI WILL LIKELY
PERSIST AND SPREAD EWD/SEWD OVERNIGHT AS A FEED OF UNSTABLE AIR IS
MAINTAINED FROM THE W/SW ON A 35 KT LLJ. THE PRIMARY SEVERE THREAT
ACROSS SW LOWER MI SHOULD BE LARGE HAIL WITH ELEVATED STORMS. THE
THREAT FOR LARGE HAIL AND DAMAGING WINDS WILL BE GREATER FROM SE WI
INTO NE IL AND NW INDIANA…ESPECIALLY IF STORM MERGERS LEAD TO
UPSCALE GROWTH OF A COLD POOL AND MORE SEWD PROPAGATION OF THE
CLUSTER.
TORNADO WARNING FOR…
CENTRAL HAMILTON COUNTY IN SOUTH CENTRAL NEBRASKA…
* UNTIL 945 PM CDT
* AT 918 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A TORNADO. THIS IS A TORNADO EMERGENCY AS A LARGE
TORNADO WAS LOCATED NEAR AURORA…OR 17 MILES EAST OF GRAND
ISLAND…AND MOVING EAST AT 20 MPH.
Looks like they got a tornado. So now Trip 1, 3 and 4 have seen tornadoes. Trip 5 too?
Big derecho ongoing near Tulsa, Oklahoma:
AT 1135 AM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL
AND VIOLENT STRAIGHT LINE WINDS TO 90 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM CLEORA TO MAYSVILLE TO
WESTVILLE TO 9 MILES SOUTHWEST OF COOKSON…MOVING EAST AT 45 MPH.
It’s official: July 10-19.
Fabian died yesterday in a car accident in Iowa on his way to chase. I chased with Fabian and Skip Talbot in 2006 and he was a good guy.
-from Storm highway
There’s an opportunity for me to go on COD’s Trip 5 to Canada this year. Someone dropped out and Paul’s going to try and get the tuition payment waved. The trip would be from July 10 to the 19th.
URGENT – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 318
NWS STORM PREDICTION CENTER NORMAN OK
240 PM CDT MON JUN 1 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SMALL PART OF EASTERN IOWA
NORTHERN ILLINOIS
NORTHERN INDIANA
LAKE MICHIGAN
EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 240 PM UNTIL
1000 PM CDT.
HAIL TO 2 INCHES IN DIAMETER…THUNDERSTORM WIND GUSTS TO 70
MPH…AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES SOUTH
SOUTHWEST OF MOLINE ILLINOIS TO 20 MILES EAST SOUTHEAST OF FORT
WAYNE INDIANA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).
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…STORMS WILL INCREASE ALONG AND JUST S OF E/W BOUNDARY
ACROSS NRN IN AND IL. WITH AN UNSTABLE AND VIRTUALLY UNCAPPED WARM
SECTOR ALONG WITH 30-40KT OF SHEAR…STORMS WILL INCREASE TO SEVERE
LEVELS AS THEY SPREAD DEVELOP E/SEWD THRU THE AFTERNOON.
