Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 161, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 12, 2004, 9:07 PM CDT for Anoka County, Hennepin County, Ramsey County, Minnesota. It was in force for 23 min. 3 reports 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 12, 2004, 9:07 PM CDT (02:07 UTC)
- Expired
- Jun 12, 2004, 9:30 PM CDT
- In force
- 23 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Anoka County, MN, Hennepin County, MN, Ramsey County, MN
The radar
The Minneapolis radar (KMPX), 43 km from the middle of the area, began a volume at 02:07 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 12, 9:22 PM CDT | HAIL 0.75 | Ham Lake, MN | HAIL COVERING GROUND. |
| Jun 12, 9:22 PM CDT | HAIL 0.75 | Ham Lake, MN | HAIL COVERING GROUND. |
| Jun 12, 9:23 PM CDT | HAIL 1 | Blaine, MN | NEAR BUNKER LAKE ROAD AND RADISSON ROAD. |
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 00:00Z, 2.1 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.
- Mixed-layer CAPE
- 840 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 1411 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KMPX 130207
SVRMPX
MNC003-053-123-130230-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
906 PM CDT SAT JUN 12 2004
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ANOKA COUNTY IN EAST CENTRAL MINNESOTA
HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA
RAMSEY COUNTY IN EAST CENTRAL MINNESOTA
* UNTIL 930 PM CDT
* AT 902 PM CDT...TRAINED SPOTTERS REPORTED A SEVERE THUNDERSTORM
WITH HAIL THE SIZE OF QUARTERS. THIS STORM WAS LOCATED IN
BROOKLYN PARK...OR ABOUT 9 MILES NORTH OF MINNEAPOLIS...AND
MOVING NORTHEAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
BLAINE.
BROOKLYN PARK.
COON RAPIDS.
EAST BETHEL.
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 4513 9350 4501 9325 4504 9301 4540 9308
4539 9344
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 8:19 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 56 min |
| Jun 12, 8:39 PM CDT | Tornado Warning | MPX | Yellow Medicine | 36 min |
| Jun 12, 9:16 PM CDT | Severe Thunderstorm Warning | MPX | Yellow Medicine | 59 min |
| Jun 12, 9:25 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Swift | 65 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2004Every severe thunderstorm warning in 2004
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.