Monday, April 25, 2016

Severe Thunderstorm Warning #2 - Southern Wisconsin


WUUS53 KMKX 252201
SVRMKX
WIC079-089-131-252230-
/O.NEW.KMKX.SV.W.0002.160425T2201Z-160425T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE-SULLIVAN WI
501 PM CDT MON APR 25 2016

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN WASHINGTON COUNTY IN SOUTHEASTERN WISCONSIN...
  OZAUKEE COUNTY IN SOUTHEASTERN WISCONSIN...
  NORTHERN MILWAUKEE COUNTY IN SOUTHEASTERN WISCONSIN...

* UNTIL 530 PM CDT

* AT 501 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM SLINGER TO NEAR MERTON...AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WEST BEND...MEQUON...HARTFORD...GRAFTON...CEDARBURG...PORT WASHINGTON...
  JACKSON...SLINGER...SAUKVILLE...THIENSVILLE...BELGIUM...FREDONIA...NEWBURG...GERMANTOWN...RICHFIELD...HUBERTUS...SAINT LAWRENCE...HOLY HILL...HARRINGTON BEACH ST PARK AND WAUBEKA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4338 8787 4330 8789 4326 8791 4321 8790
      4319 8823 4319 8840 4337 8834 4354 8780
      4349 8779
TIME...MOT...LOC 2201Z 252DEG 36KT 4333 8829 4322 8836

$$

BMS


Issued Severe Thunderstorm Warning for BOTH cells indicated above. Severe Probs for nothern cell was 23% with 0.67 MESH and Severe Probs for southern cell was 17% with 0.31 MESH.

KMKZ Radar is indicating that 65 DBZ to 25K feet for the northern cell in Washington County. Southern cell 59 DBZ to 23K feet. Felt with a hail spike that it was prudent to issue Severe Thunderstorm Warning for both cells, rather than just the northern cell and Significant Weather Advisory the southern cell.



 
































WWUS53 KMKX 252215
SVSMKX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE-SULLIVAN WI
514 PM CDT MON APR 25 2016

WIC079-252224-
/O.CAN.KMKX.SV.W.0002.000000T0000Z-160425T2230Z/
MILWAUKEE WI-
514 PM CDT MON APR 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR MILWAUKEE COUNTY IS
CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNEDAREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4338 8787 4330 8789 4326 8791 4321 8790
      4320 8823 4321 8828 4339 8823 4354 8780
      4349 8779
TIME...MOT...LOC 2214Z 252DEG 36KT 4337 8814 4326 8821

$$

WIC089-131-252230-
/O.CON.KMKX.SV.W.0002.000000T0000Z-160425T2230Z/
WASHINGTON WI-OZAUKEE WI-
514 PM CDT MON APR 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR SOUTHEASTERN WASHINGTON AND OZAUKEE COUNTIES...

AT 514 PM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF BALL SIZE AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR JACKSON TO 6 MILES SOUTHEAST OF SLINGER...MOVING EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
WEST BEND...MEQUON...GRAFTON...CEDARBURG...PORT WASHINGTON...JACKSON...SLINGER...SAUKVILLE...THIENSVILLE...BELGIUM...FREDONIA...NEWBURG...
GERMANTOWN...RICHFIELD...HUBERTUS AND HARRINGTON BEACH ST PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN SULLIVAN.

&&

LAT...LON 4338 8787 4330 8789 4326 8791 4321 8790
      4320 8823 4321 8828 4339 8823 4354 8780
      4349 8779
TIME...MOT...LOC 2214Z 252DEG 36KT 4337 8814 4326 8821

$$

BMS


Updated Severe Thunderstorm Warning to remove Milwaukee County and keep others, as we are seeing an increase in the Prob Severe to 83% with MESH at 0.95". NWS MKX has indicated that Golf Ball Sized hail has been confirmed 2 ESE Slinger at 17:08 CDT. This storm has 65 DBZ to 22K feet. Increase hail size of warning to match to Golf Ball Sized hail.

VERIFICATION INFORMATION: 
Golf Ball Sized Hail (1.75") reported at 17:08 CDT - 7 Minute Warning Lead Time
Quarter Sized Hail (1.00")  reported at 17:00 CDT - No lead time gained, missed by two minutes.
Penny Sized Hail (0.75") reported at 17:22 CDT - 21 Minute Warning Lead Time

Forecaster: Schuerman

No comments:

Post a Comment