Please read the SPC's Public Severe Weather Outlook Discussion for details.
PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0658 AM CDT SUN JUN 26 2011
...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE MIDDLE MISSOURI
VALLEY LATE THIS AFTERNOON AND TONIGHT...
THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
DEVELOPMENT OF TORNADOES...LARGE HAIL AND DAMAGING WINDS OVER PARTS
OF THE MIDDLE MISSOURI VALLEY LATE THIS AFTERNOON AND TONIGHT.
THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE
WESTERN IOWA
NORTHWEST MISSOURI
CENTRAL AND EASTERN NEBRASKA
SOUTHEASTERN SOUTH DAKOTA
ELSEWHERE...SEVERE STORMS ARE ALSO POSSIBLE TODAY ACROSS PARTS OF
THE NORTHERN AND CENTRAL PLAINS SOUTHEASTWARD INTO PARTS OF THE
LOWER OHIO AND TENNESSEEE VALLEYS
THE AIR MASS ACROSS MUCH OF MIDDLE MISSOURI VALLEY IS LIKELY TO
BECOME VERY UNSTABLE BY LATE THIS AFTERNOON. AT THE SAME TIME WIND
FIELDS WILL STRENGTHEN AS A WEATHER SYSTEM PROGRESSES EAST OF THE
ROCKIES...AND CONDITIONS ARE EXPECTED TO BECOME FAVORABLE FOR AN
OUTBREAK OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING TORNADOES ...A
COUPLE OF WHICH COULD BE STRONG...IN ADDITION TO LARGE HAIL. THE
SEVERE THREAT SHOULD CONTINUE INTO THE EVENING HOURS...WITH THE RISK
FOR DAMAGING WINDS BECOME MORE PROMINENT SOUTHEASTWARD INTO PARTS OF
THE CENTRAL PLAINS AND MIDDLE MISSISSIPPI VALLEY.
STATE AND LOCAL EMERGENCY MANAGERS ARE MONITORING THIS DEVELOPING
SITUATION. THOSE IN THE THREATENED AREA ARE URGED TO REVIEW SEVERE
WEATHER SAFETY RULES AND TO LISTEN TO RADIO...TELEVISION...AND NOAA
WEATHER RADIO FOR POSSIBLE WATCHES...WARNINGS...AND STATEMENTS LATER
TODAY.
