Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 253, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 23, 2004, 2:05 PM CDT for 5 counties in Minnesota. It was in force for 55 min. 4 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
- Sep 23, 2004, 2:05 PM CDT (19:05 UTC)
- Expired
- Sep 23, 2004, 3:00 PM CDT
- In force
- 55 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Anoka County, MN, Chisago County, MN, Isanti County, MN, Ramsey County, MN, Washington County, MN
The radar
The Minneapolis radar (KMPX), 54 km from the middle of the area, began a volume at 19:08 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 |
|---|---|---|---|
| Sep 23, 2:10 PM CDT | TSTM WND DMG | St Paul, MN | NINE INCH TREES SNAPPED AND SOME ROOF DAMAGE ALONG MARSHALL AVENUE. |
| Sep 23, 2:20 PM CDT | TSTM WND DMG | Centerville, MN | FEW TREES AND POWER LINES DOWN NEAR CENTERVILLE ROAD AND MAIN STREET. |
| Sep 23, 2:20 PM CDT | TSTM WND GST 63 | 8 W Cambridge, MN | ESTIMATED GUST. |
| Sep 23, 2:25 PM CDT | TSTM WND DMG | 1 W Cambridge, MN | TREE TOPPLED. |
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, 7.1 hours before the alert went out and 56 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1070 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 231905 SVRMPX MNC003-025-059-123-163-232000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 204 PM CDT THU SEP 23 2004 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ISANTI COUNTY IN EAST CENTRAL MINNESOTA CHISAGO COUNTY IN EAST CENTRAL MINNESOTA ANOKA COUNTY IN EAST CENTRAL MINNESOTA WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA RAMSEY COUNTY IN EAST CENTRAL MINNESOTA * UNTIL 300 PM CDT * AT 159 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM EAST BETHEL TO 10 MILES SOUTHEAST OF MAPLEWOOD...MOVING NORTH AT 50 MPH. WINDS WERE RECORDED AT 64 MPH AT BLAINE AT 155 PM. * LOCATIONS IMPACTED INCLUDE... CAMBRIDGE. EAST BETHEL. FOREST LAKE. MAPLEWOOD. ROSEVILLE. ST. PAUL. WOODBURY. NORTH BRANCH. 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 4496 9314 4488 9286 4559 9291 4563 9344 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 23, 1:27 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 33 min |
| Sep 23, 2:39 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec | 31 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.