Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 84, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 18, 2014, 7:38 PM CDT for Goodhue County, Minnesota. It was in force for 22 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
- Aug 18, 2014, 7:38 PM CDT (00:38 UTC)
- Expired
- Aug 18, 2014, 8:00 PM CDT
- In force
- 22 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Goodhue County, MN
The radar
The Minneapolis radar (KMPX), 101 km from the middle of the area, began a volume at 00:41 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 |
|---|---|---|---|
| Aug 18, 7:50 PM CDT | HAIL 1 | Pine Island, MN | |
| Aug 18, 7:52 PM CDT | HAIL 1.25 | 6 Nnw Genoa, MN | LASTED 5 MINS. DAMAGE TO VEHICLES ALSO REPORTED. |
| Aug 18, 7:52 PM CDT | HAIL 1.5 | Pine Island, MN | HAIL REPORTED IN PINE ISLAND VIA TWITTER. |
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, 0.6 hours before the alert went out and 103 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
- 238 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 1787 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
285
WUUS53 KMPX 190038
SVRMPX
MNC049-190100-
/O.NEW.KMPX.SV.W.0084.140819T0038Z-140819T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
738 PM CDT MON AUG 18 2014
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL GOODHUE COUNTY IN SOUTHEAST MINNESOTA...
* UNTIL 800 PM CDT
* AT 736 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES WEST OF
ORONOCO...AND MOVING EAST AT 25 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING AND TREES.
* THE SEVERE THUNDERSTORM WILL AFFECT AREAS AROUND PINE ISLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4420 9274 4428 9272 4428 9254 4424 9254
4420 9254 4419 9256 4419 9273
TIME...MOT...LOC 0038Z 272DEG 21KT 4420 9266
HAIL...1.00IN
WIND...60MPH
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 7:04 PM CDT | Severe Thunderstorm Warning | MPX | Steele, Waseca | 28 min |
| Aug 18, 7:31 PM CDT | Special Weather Statement | MPX | Freeborn | 44 min |
| Aug 18, 7:46 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 29 min |
| Aug 18, 8:43 PM CDT | Special Weather Statement | MPX | Freeborn | 47 min |
| Aug 18, 9:07 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 38 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2014Every severe thunderstorm warning in 2014
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.