Grand Forks, ND...North Platte, NE...Watertown, SD...Mitchell, SD...Fergus Falls, MN...
Probabilistic Damaging Wind Graphic
Probability of damaging thunderstorm winds or wind gusts of 50 knots or higher within 25 miles of a point. Hatched Area: 10% of greater probability of wind gusts 65 knots or greater within 25 miles of a point.
Day 1 Wind Risk
Area (sq. mi.)
Area Pop.
Some Larger Population Centers in Risk Area
15 %
161,677
1,299,488
Fargo, ND...Rapid City, SD...Bismarck, ND...Grand Forks, ND...Moorhead, MN...
5 %
157,098
2,406,129
Sioux Falls, SD...Billings, MT...Sioux City, IA...St. Cloud, MN...Grand Island, NE...
Probabilistic Large Hail Graphic
Probability of hail 1" or larger within 25 miles of a point. Hatched Area: 10% or greater probability of hail 2" or larger within 25 miles of a point.
Day 1 Hail Risk
Area (sq. mi.)
Area Pop.
Some Larger Population Centers in Risk Area
SIG SEVERE
66,465
249,061
Aberdeen, SD...Jamestown, ND...Pierre, SD...Valley City, ND...
15 %
163,605
1,308,183
Fargo, ND...Rapid City, SD...Bismarck, ND...Grand Forks, ND...Moorhead, MN...
5 %
154,990
2,336,699
Sioux Falls, SD...Billings, MT...Sioux City, IA...St. Cloud, MN...Grand Island, NE...
SPC AC 030058
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0758 PM CDT TUE JUN 02 2015
VALID 030100Z - 031200Z
...THERE IS A SLGT RISK OF SVR TSTMS ACROSS THE NRN PLAINS...
...THERE IS A MRGL RISK OF SVR TSTMS ACROSS THE NRN PLAINS...
...SUMMARY...
SCATTERED SEVERE THUNDERSTORMS WITH VERY LARGE HAIL...DAMAGING WINDS
AND PERHAPS A TORNADO REMAIN LIKELY FROM NEBRASKA INTO NORTH DAKOTA
THROUGH THIS EVENING. A FEW STRONG STORMS ALSO MAY OCCUR OVER THE
SOUTHEASTERN STATES FOR A BIT LONGER.
...NRN PLAINS...
SCATTERED SEVERE STORMS PERSIST ACROSS TWO DISTINCT AREAS WITHIN THE
SURFACE TROUGH. ONE AREA IS OVER SERN ND INTO NERN SD...WHERE
SUPERCELLS WITH VERY LARGE HAIL AND A MARGINAL TORNADO THREAT ARE
ONGOING. AN INCREASING LOW-LEVEL JET AND MODERATE INSTABILITY WILL
SUPPORT THESE STORMS INTO THE EVENING AS THE 00Z ABR SOUNDING WAS
SUFFICIENT TO SUPPORT SEWD-MOVING SUPERCELLS.
FARTHER W...AN AREA OF MIXED STORM MODES CONTINUED OVER NERN
WY...SWRN SD AND WRN NEB. LARGE HAIL WAS PRESENT IN MANY OF THESE
CELLS...BUT OTHER CELLS WERE DEVELOPING INTO AN MCS FROM CHERRY
COUNTY NEB INTO S CNTRL SD. HERE...DAMAGING WINDS ARE POSSIBLE.
WITH TIME...OUTFLOWS FROM THE NEB AND ND ACTIVITY MAY EVENTUALLY
MERGE WITH A LARGER LINEAR MCS AFFECTING THE REMAINDER OF SD AND NEB
THIS EVENING.
..JEWELL.. 06/03/2015
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z
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