Alert archive / Wisconsin / Tornado Warnings in 2008
Tornado Warning 46, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jul 19, 2008, 4:25 PM CDT for Saint Croix County, Wisconsin. It was in force for 35 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
- Jul 19, 2008, 4:25 PM CDT (21:25 UTC)
- Expired
- Jul 19, 2008, 5:00 PM CDT
- In force
- 35 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
County Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 95 km from the middle of the area, began a volume at 21:27 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 |
|---|---|---|---|
| Jul 19, 4:34 PM CDT | HAIL 0.75 | 4 S Roberts, WI | |
| Jul 19, 4:35 PM CDT | HAIL 1 | 4 Ssw Hammond, WI | 1/2 MILE WEST OF INTERSECTION OF CO RD N AND T. |
| Jul 19, 4:47 PM CDT | HAIL 0.75 | Baldwin, 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 |
|---|---|---|---|
| Jul 19, 2:28 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.4 hours before the alert went out and 98 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
- 1477 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KMPX 192125 TORMPX WIC109-192200- /O.NEW.KMPX.TO.W.0046.080719T2125Z-080719T2200Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 425 PM CDT SAT JUL 19 2008 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN... * UNTIL 500 PM CDT * AT 422 PM CDT...RADAR WAS TRACKING A SEVERE STORM WITH STRONG ROTATION. THE MOST DANGEROUS PART OF THE STORM WAS 4 MILES SOUTH OF ROBERTS...AND MOVING EAST AT 22 MPH. * SOME LOCATIONS INCLUDE... HAMMOND... BALDWIN... WOODVILLE... HERSEY... EMERALD... WILSON... GLENWOOD CITY... IN ADDITION TO A TORNADO...THIS STORM IS ALSO CAPABLE OF PRODUCING LARGE HAIL. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SATURDAY EVENING FOR SOUTHEASTERN MINNESOTA AND NORTHWESTERN WISCONSIN. LAT...LON 4515 9215 4486 9214 4487 9272 4504 9272 TIME...MOT...LOC 2125Z 266DEG 19KT 4493 9254 $$ LS
2 follow-up statements
000
WWUS53 KMPX 192145
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
445 PM CDT SAT JUL 19 2008
WIC109-192200-
/O.CON.KMPX.TO.W.0046.000000T0000Z-080719T2200Z/
ST. CROIX WI-
445 PM CDT SAT JUL 19 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR SOUTHERN
ST. CROIX COUNTY...
AT 440 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG
ROTATION. THE MOST DANGEROUS PART OF THE STORM WAS LOCATED 3 MILES
SOUTH OF HAMMOND...OR ABOUT 3 MILES SOUTHWEST OF BALDWIN...AND MOVING
EAST AT 22 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE HOULTON...HERSEY...EMERALD...
BURKHARDT...BOARDMAN...WOODVILLE...WILSON...ROBERTS...HAMMOND AND
GLENWOOD CITY.
QUARTER SIZE HAIL WAS ALSO REPORTED WITH THIS STORM NEAR HAMMOND AT
435 PM CDT.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SATURDAY EVENING
FOR SOUTHEASTERN MINNESOTA AND NORTHWESTERN WISCONSIN.
LAT...LON 4487 9272 4504 9271 4515 9216 4514 9216
4506 9215 4505 9216 4488 9216 4486 9215
TIME...MOT...LOC 2145Z 266DEG 19KT 4494 9239
$$
LS000
WWUS53 KMPX 192152
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
453 PM CDT SAT JUL 19 2008
WIC109-192200-
/O.CON.KMPX.TO.W.0046.000000T0000Z-080719T2200Z/
ST. CROIX WI-
453 PM CDT SAT JUL 19 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN ST. CROIX COUNTY...
AT 449 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM
WAS LOCATED 3 MILES SOUTHWEST OF WOODVILLE...AND MOVING EAST AT 31
MPH. THIS STORM IS ALSO CAPABLE OF PRODUCING LARGE HAIL.
OTHER LOCATIONS IN THE WARNING INCLUDE HERSEY...EMERALD...
WOODVILLE...WILSON...HAMMOND...GLENWOOD CITY AND BALDWIN.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SATURDAY EVENING
FOR SOUTHEASTERN MINNESOTA AND NORTHWESTERN WISCONSIN.
LAT...LON 4487 9252 4503 9247 4515 9215 4488 9216
4486 9215
TIME...MOT...LOC 2153Z 266DEG 27KT 4492 9228
$$
LSThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 4:37 PM CDT | Severe Thunderstorm Warning | MPX | Dunn | 42 min |
| Jul 19, 5:05 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Pierce, Saint Croix | 55 min |
| Jul 19, 5:06 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 54 min |
| Jul 19, 5:28 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 47 min |
| Jul 19, 5:57 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Eau Claire, Pepin | 23 min |
Nearby
Tornado Warnings in Wisconsin, 2008Every tornado warning in 2008Tornadoes in 2008
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.