Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 91, NWS Twin Cities, MN

June 11, 2001Ramsey County, Washington County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 11, 2001, 5:51 PM CDT for Ramsey County, Washington County, Minnesota. It was in force for 39 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jun 11, 2001, 5:51 PM CDT (22:51 UTC)
Expired: Jun 11, 2001, 6:30 PM CDT
In force: 39 min
Issued by: NWS Twin Cities, MN
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Ramsey County, MN, Washington County, MN

What was reported inside it

Time	Report	Where	Remark
Jun 11, 6:26 PM CDT	Hail 0.75	Stillwater, MN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 11, 3:00 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.9 hours before the alert went out and 63 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1636 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 168 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 112252
SVRMSP

MNC123-163-112330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
551 PM CDT MON JUN 11 2001

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WASHINGTON COUNTY IN MINNESOTA
  RAMSEY COUNTY IN MINNESOTA

* UNTIL 630 PM CDT

* AT 551 PM CDT...RADAR INDICATED SEVERE THUNDERSTORMS WITH LARGE    
  HAIL AND DAMAGING WINDS ALONG A LINE EXTENDING FROM 16 MILES       
  NORTHWEST OF NEW RICHMOND TO 8 MILES NORTH OF ST PAUL...MOVING     
  EAST AT 30 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  STILLWATER.
  ROSEVILLE.
  MAPLEWOOD.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

LAT...LON 4529 9278 4504 9324 4485 9280 4524 9278

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 9:48 AM CDT	Severe Thunderstorm Warning	MPX	Douglas	42 min
Jun 11, 10:22 AM CDT	Severe Thunderstorm Warning	MPX	Todd	53 min
Jun 11, 10:45 AM CDT	Severe Thunderstorm Warning	MPX	Morrison, Stearns	45 min
Jun 11, 11:01 AM CDT	Severe Thunderstorm Warning	MPX	Douglas	44 min
Jun 11, 11:13 AM CDT	Severe Thunderstorm Warning	MPX	Todd	62 min
Jun 11, 12:36 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	39 min
Jun 11, 2:05 PM CDT	Severe Thunderstorm Warning	MPX	Stevens, Swift	40 min
Jun 11, 2:19 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope	56 min
Jun 11, 2:19 PM CDT	Severe Thunderstorm Warning	MPX	Todd	56 min
Jun 11, 2:42 PM CDT	Tornado Warning	MPX	Swift	48 min
Jun 11, 2:48 PM CDT	Tornado Warning	MPX	Todd	32 min
Jun 11, 2:49 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	56 min
Jun 11, 3:15 PM CDT	Severe Thunderstorm Warning	MPX	Pope	45 min
Jun 11, 3:24 PM CDT	Tornado Warning	MPX	Kandiyohi, Swift	36 min
Jun 11, 3:29 PM CDT	Severe Thunderstorm Warning	MPX	Benton	31 min
Jun 11, 3:46 PM CDT	Severe Thunderstorm Warning	MPX	Mille Lacs	44 min
Jun 11, 3:50 PM CDT	Severe Thunderstorm Warning	MPX	Sherburne	40 min
Jun 11, 3:55 PM CDT	Tornado Warning	MPX	Kandiyohi, Meeker	50 min
Jun 11, 4:00 PM CDT	Severe Thunderstorm Warning	MPX	Benton	30 min
Jun 11, 4:03 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	57 min
Jun 11, 4:05 PM CDT	Severe Thunderstorm Warning	MPX	Isanti, Kanabec	40 min
Jun 11, 4:18 PM CDT	Severe Thunderstorm Warning	MPX	Washington	42 min
Jun 11, 4:18 PM CDT	Severe Thunderstorm Warning	MPX	Dakota	42 min
Jun 11, 4:30 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago	45 min
Jun 11, 4:30 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, Wright	45 min
Jun 11, 4:30 PM CDT	Severe Thunderstorm Warning	MPX	Ramsey	45 min
Jun 11, 4:41 PM CDT	Tornado Warning	MPX	McLeod, Meeker, Wright	49 min
Jun 11, 5:10 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Washington	35 min
Jun 11, 5:10 PM CDT	Tornado Warning	MPX	Carver	50 min
Jun 11, 5:26 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin, Wright	64 min
Jun 11, 5:43 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Scott	47 min
Jun 11, 5:43 PM CDT	Severe Thunderstorm Warning	MPX	Carver	47 min
Jun 11, 6:17 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	58 min
Jun 11, 6:32 PM CDT	Severe Thunderstorm Warning	MPX	Dakota	28 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2001 Every severe thunderstorm warning in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.