Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 47, NWS Twin Cities, MN

June 2, 2007Dakota County, Ramsey County, Washington County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 2, 2007, 2:16 PM CDT for Dakota County, Ramsey County, Washington County, Minnesota. It was in force for 44 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 2, 2007, 2:16 PM CDT (19:16 UTC)
Expired
Jun 2, 2007, 3:00 PM CDT
In force
44 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Dakota County, MN, Ramsey County, MN, Washington County, MN

The radar

The Minneapolis radar (KMPX), 41 km from the middle of the area, began a volume at 19:19 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.

What was reported inside it

TimeReportWhereRemark
Jun 2, 2:33 PM CDTHAIL 0.75West St Paul, MN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 7.3 hours before the alert went out and 44 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 021916
SVRMPX
MNC037-123-163-022000-
/O.NEW.KMPX.SV.W.0047.070602T1916Z-070602T2000Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA...
  RAMSEY COUNTY IN EAST CENTRAL MINNESOTA...
  DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 300 PM CDT

* AT 211 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...   
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND 60 MPH WINDS.   THIS    
  STORM WAS LOCATED 4 MILES SOUTH OF SOUTH ST PAUL...OR ABOUT 9      
  MILES SOUTHEAST OF ST PAUL...AND MOVING NORTH AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SOUTH ST PAUL...
  WEST ST PAUL...
  WOODBURY...
  ST PAUL...
  OAKDALE...
  MAPLEWOOD...
  ROSEVILLE...
  NORTH ST PAUL...
  VADNAIS HEIGHTS...
  SHOREVIEW...

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 4478 9318 4464 9291 4496 9277 4511 9316

$$

KAT
1 follow-up statement
000 
WWUS53 KMPX 021947
SVSMPX

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

MNC037-163-021956-
/O.CAN.KMPX.SV.W.0047.000000T0000Z-070602T2000Z/
WASHINGTON MN-DAKOTA MN-
246 PM CDT SAT JUN 2 2007

...THE SEVERE THUNDERSTORM WARNING FOR DAKOTA AND WASHINGTON COUNTIES
IS CANCELLED...

THE STORMS THAT PROMPTED THE WARNINGS HAVE MOVED OUT OF DAKOTA AND 
WASHINGTON COUNTIES. BEFORE LEAVING DAKOTA COUNTY...THE STORM 
PRODUCED NICKEL SIZED HAIL IN WEST SAINT PAUL.

LAT...LON 4493 9316 4497 9300 4506 9302 4511 9316

$$

MNC123-022000-
/O.CON.KMPX.SV.W.0047.000000T0000Z-070602T2000Z/
RAMSEY MN-
246 PM CDT SAT JUN 2 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR RAMSEY COUNTY...

AT 233 PM CDT...NICKEL SIZE HAIL WAS REPORTED IN WEST SAINT PAUL IN 
DAKOTA COUNTY WITH THIS STORM.

AT 245 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HAIL TO 
THE SIZE OF NICKELS WAS LOCATED NEAR LITTLE CANADA...OR ABOUT OVER 
ROSEVILLE...AND MOVING NORTH AT 20 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE GEM LAKE...VADNAIS HEIGHTS...
ST PAUL...SHOREVIEW...ROSEVILLE...MAPLEWOOD AND LITTLE CANADA.

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 4493 9316 4497 9300 4506 9302 4511 9316

$$

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, 2:28 PM CDTSevere Thunderstorm WarningMPXSibley47 min
Jun 2, 2:49 PM CDTSevere Thunderstorm WarningMPXAnoka41 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.