Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 49, NWS Twin Cities, MN

June 2, 2007Anoka County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 2, 2007, 2:49 PM CDT for Anoka County, Minnesota. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 2, 2007, 2:49 PM CDT (19:49 UTC)
Expired
Jun 2, 2007, 3:30 PM CDT
In force
41 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Anoka County, MN

The radar

The Minneapolis radar (KMPX), 51 km from the middle of the area, began a volume at 19:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 7.8 hours before the alert went out and 51 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2007-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2007-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -44 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
774 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-44 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS53 KMPX 021949
SVRMPX
MNC003-022030-
/O.NEW.KMPX.SV.W.0049.070602T1949Z-070602T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
249 PM CDT SAT JUN 2 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN ANOKA COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 330 PM CDT

* AT 245 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...   
  CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS STORM WAS LOCATED 3   
  MILES WEST OF ANOKA...OR ABOUT 20 MILES NORTHWEST OF               
  MINNEAPOLIS...AND MOVING NORTH AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ANDOVER...
  RAMSEY...

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

LAT...LON 4525 9351 4517 9333 4541 9333 4541 9350

$$

KAT
2 follow-up statements
000 
WWUS53 KMPX 022015
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
315 PM CDT SAT JUN 2 2007

MNC003-022030-
/O.CON.KMPX.SV.W.0049.000000T0000Z-070602T2030Z/
ANOKA MN-
315 PM CDT SAT JUN 2 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR ANOKA COUNTY...

AT 310 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM...CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS 
LOCATED OVER ANOKA...AND MOVING NORTH AT 20 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE ST FRANCIS...ANOKA...ANDOVER
AND RAMSEY.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4525 9351 4517 9333 4541 9333 4541 9350

$$

KAT
000 
WWUS53 KMPX 022028
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
328 PM CDT SAT JUN 2 2007

MNC003-022038-
/O.EXP.KMPX.SV.W.0049.000000T0000Z-070602T2030Z/
ANOKA MN-
328 PM CDT SAT JUN 2 2007

...THE SEVERE THUNDERSTORM WARNING FOR ANOKA COUNTY EXPIRES AT 330 PM
CDT...

SEVERE STORMS HAVE ENDED OR MOVED OUT OF COUNTY. HOWEVER...MORE
THUNDERSTORMS WERE DEVELOPING IN THE AREA...REMAIN ALERT FOR POSSIBLE
ADDITIONAL WARNINGS.

RELAY ANY SEVERE WEATHER REPORTS TO LOCAL LAW ENFORCEMENT FOR RELAY 
TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4525 9351 4517 9333 4541 9333 4541 9350

$$

KAT

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 2, 1:47 PM CDTTornado WarningMPXMcLeod, Sibley43 min
Jun 2, 2:16 PM CDTSevere Thunderstorm WarningMPXDakota, Ramsey, Washington44 min
Jun 2, 2:28 PM CDTSevere Thunderstorm WarningMPXSibley47 min
Jun 2, 2:58 PM CDTSevere Thunderstorm WarningMPXMeeker47 min
Jun 2, 3:11 PM CDTFlash Flood WarningMPXSibley94 min
Jun 2, 3:45 PM CDTSevere Thunderstorm WarningMPXStearns, Wright30 min
Jun 2, 3:49 PM CDTSevere Thunderstorm WarningMPXDakota26 min
Jun 2, 4:13 PM CDTSevere Thunderstorm WarningMPXRenville32 min
Jun 2, 4:14 PM CDTSevere Thunderstorm WarningMPXDakota, Ramsey45 min
Jun 2, 4:51 PM CDTSevere Thunderstorm WarningMPXSherburne, Wright54 min
Jun 2, 5:08 PM CDTSevere Thunderstorm WarningMPXHennepin39 min
Jun 2, 6:07 PM CDTSevere Thunderstorm WarningMPXMorrison23 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2007Every severe thunderstorm warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.