Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 21, NWS Duluth, MN
NWS Duluth, MN issued this severe thunderstorm warning at May 14, 2007, 4:53 PM CDT for Bayfield County, Douglas County, Wisconsin. It was in force for 52 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
- May 14, 2007, 4:53 PM CDT (21:53 UTC)
- Expired
- May 14, 2007, 5:45 PM CDT
- In force
- 52 min
- Issued by
- NWS Duluth, MN
- Area
- Counties, with a storm outline in the text
Counties Bayfield County, WI, Douglas County, WI
The radar
The Duluth radar (KDLH), 57 km from the middle of the area, began a volume at 21:56 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 |
|---|---|---|---|
| May 14, 5:30 PM CDT | HAIL 1 | Brule, WI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 14, 3:24 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 9.9 hours before the alert went out and 250 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
- 1046 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KDLH 142156 SVRDLH WIC007-031-142245- /O.NEW.KDLH.SV.W.0021.070514T2153Z-070514T2245Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DULUTH MN 453 PM CDT MON MAY 14 2007 THE NATIONAL WEATHER SERVICE IN DULUTH MN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN BAYFIELD COUNTY IN NORTHWEST WISCONSIN... NORTHERN DOUGLAS COUNTY IN NORTHWEST WISCONSIN... THIS INCLUDES THE CITY OF SUPERIOR... * UNTIL 545 PM CDT * AT 452 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF BALL SIZE HAIL. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 7 MILES NORTHEAST OF PORT WING TO SUPERIOR...OR ALONG A LINE EXTENDING FROM 25 MILES NORTHWEST OF ASHLAND TO SUPERIOR...AND MOVING SOUTH AT 30 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... WENTWORTH...TO OULU...TO HERBSTER BY 510 PM CDT... LAKE NEBAGAMON AND BRULE BY 520 PM CDT... IRON RIVER BY 530 PM CDT... THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS LAT...LON 4693 9117 4673 9219 4630 9200 4650 9098 $$ DC
2 follow-up statements
000 WWUS53 KDLH 142212 SVSDLH SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DULUTH MN 508 PM CDT MON MAY 14 2007 WIC007-031-142245- /O.CON.KDLH.SV.W.0021.000000T0000Z-070514T2245Z/ DOUGLAS WI-BAYFIELD WI- 508 PM CDT MON MAY 14 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR CENTRAL BAYFIELD AND NORTHERN DOUGLAS COUNTIES... AT 504 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF BALL SIZE. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM PORT WING TO HAWTHORNE...OR ALONG A LINE EXTENDING FROM 26 MILES NORTHWEST OF ASHLAND TO 16 MILES SOUTHEAST OF SUPERIOR...MOVING SOUTH AT 30 MPH. A SECOND AREA OF SEVERE STORMS IS MOVING ONSHORE OVER NORTHERN DOUGLAS COUNTY...5 MILES WEST OF CLOVERLAND. SEVERE THUNDERSTORMS WILL BE NEAR... LAKE NEBAGAMON AND BRULE BY 515 PM CDT... NEAR IRON RIVER BY 530 PM CDT... SOLON SPRINGS TO INO BY 535 PM CDT... HAIL UP TO 2 INCHES IN DIAMETER HAS BEEN REPORTED NEAR DULUTH WITH THESE STORMS. IF YOU ARE IN THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LAT...LON 4693 9117 4673 9219 4630 9200 4650 9098 $$ DC
000 WWUS53 KDLH 142223 SVSDLH SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DULUTH MN 521 PM CDT MON MAY 14 2007 WIC007-031-142245- /O.CON.KDLH.SV.W.0021.000000T0000Z-070514T2245Z/ DOUGLAS WI-BAYFIELD WI- 521 PM CDT MON MAY 14 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR NORTHERN BAYFIELD AND NORTHEASTERN DOUGLAS COUNTIES... AT 517 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF BALL SIZE. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 10 MILES NORTHWEST OF MOQUAH TO LAKE NEBAGAMON...OR ALONG A LINE EXTENDING FROM 16 MILES NORTHWEST OF ASHLAND TO 23 MILES SOUTHEAST OF SUPERIOR...MOVING SOUTHEAST AT 30 MPH. SEVERE THUNDERSTORMS WILL BE NEAR... MOQUAH AND INO BY 535 PM CDT... BENOIT BY 540 PM CDT... HAIL UP TO 2 INCHES IN DIAMETER HAS BEEN REPORTED IN WITH THESE STORMS. IF YOU ARE IN THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LAT...LON 4693 9117 4671 9196 4629 9168 4652 9095 $$ DC
The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 10:49 AM CDT | Severe Thunderstorm Warning | DLH | Bayfield, Douglas | 41 min |
| May 14, 4:14 PM CDT | Severe Thunderstorm Warning | DLH | Douglas | 46 min |
| May 14, 5:39 PM CDT | Severe Thunderstorm Warning | DLH | Ashland, Iron | 66 min |
| May 14, 5:43 PM CDT | Severe Thunderstorm Warning | DLH | Bayfield, Douglas | 47 min |
| May 14, 6:26 PM CDT | Severe Thunderstorm Warning | DLH | Bayfield | 34 min |
| May 14, 6:39 PM CDT | Severe Thunderstorm Warning | DLH | Ashland, Iron | 36 min |
| May 14, 6:50 PM CDT | Severe Thunderstorm Warning | DLH | Sawyer | 25 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 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.