Alert archive / Wisconsin / Tornado Warnings in 2010
Tornado Warning 3, NWS Milwaukee, WI
NWS Milwaukee, WI issued this tornado warning at Apr 30, 2010, 6:41 PM CDT for Green Lake County, Wisconsin. It was in force for 34 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
- Apr 30, 2010, 6:41 PM CDT (23:41 UTC)
- Expired
- Apr 30, 2010, 7:15 PM CDT
- In force
- 34 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
County Green Lake County, WI
The radar
The Milwaukee radar (KMKX), 104 km from the middle of the area, began a volume at 23:42 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 |
|---|---|---|---|
| Apr 30, 7:00 PM CDT | TORNADO 1 | 3 Se Berlin, WI | BRIEF TOUCHDOWN KNOCKED OVER HIGH TENSION POWER POLES AND UPROOTED TREES ON COUNTY HIGHWAY F...JUST SOUTHEAST OF BERLIN. UPDATED FOLLOWING STORM SURVEY. ESTIMATED WINDS OF 100-110 MPH. TORNADO TOUCHED DOWN AROUND 7 PM NEAR INTERSECTION OF CR F AND CR AA. TORNA |
| Apr 30, 7:01 PM CDT | HAIL 1 | 2 N Green Lake, WI | SPOTTERS ALSO VIEWED ROTATION IN THE CLOUDS. |
| Apr 30, 7:05 PM CDT | TSTM WND DMG | 2 Se Berlin, WI | 7 POWER POLES BLOWN DOWN. |
| Apr 30, 7:05 PM CDT | TORNADO | 2 Se Berlin, WI | BRIEF TOUCHDOWN KNOCKED OVER HIGH TENSION POWER POLES AND UPROOTED TREES ON COUNTY HIGHWAY F...JUST SOUTHEAST OF BERLIN. |
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 |
|---|---|---|---|
| Apr 30, 1:05 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.7 hours before the alert went out and 108 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
- 1240 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 307 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
098
WFUS53 KMKX 302341
TORMKX
WIC047-010015-
/O.NEW.KMKX.TO.W.0003.100430T2341Z-100501T0015Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
641 PM CDT FRI APR 30 2010
THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A
* TORNADO WARNING FOR...
GREEN LAKE COUNTY IN SOUTH CENTRAL WISCONSIN...
* UNTIL 715 PM CDT
* AT 638 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 10 MILES SOUTHEAST OF MONTELLO...OR 15 MILES
NORTHEAST OF PORTAGE...AND MOVING NORTHEAST AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...
BERLIN...PRINCETON...GREEN LAKE...KINGSTON AND MARQUETTE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A
BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE.
AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO
THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING
DEBRIS.
&&
LAT...LON 4398 8888 4387 8888 4364 8912 4364 8921
4365 8924 4370 8924 4376 8921 4377 8916
4381 8916 4381 8919 4399 8912 4399 8888
TIME...MOT...LOC 2341Z 211DEG 39KT 4370 8919
$$
DDV1 follow-up statement
567
WWUS53 KMKX 010003
SVSMKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
703 PM CDT FRI APR 30 2010
WIC047-010015-
/O.CON.KMKX.TO.W.0003.000000T0000Z-100501T0015Z/
GREEN LAKE WI-
703 PM CDT FRI APR 30 2010
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN GREEN LAKE COUNTY
UNTIL 715 PM CDT...
AT 701 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR GREEN LAKE...OR 7 MILES SOUTHWEST OF BERLIN...
MOVING NORTHEAST AT 45 MPH. ROTATION HAS BEEN OBSERVED WITH THIS
STORM...AS WELL AS HAIL UP TO 1 INCH DIAMETER.
LOCATIONS IMPACTED INCLUDE...
BERLIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4399 8888 4387 8888 4377 8901 4382 8914
4398 8904
TIME...MOT...LOC 0002Z 211DEG 39KT 4389 8903
$$
ZABELThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 2:27 PM CDT | Severe Thunderstorm Warning | MKX | Green, Iowa, Lafayette | 33 min |
| Apr 30, 4:22 PM CDT | Severe Thunderstorm Warning | MKX | Green, Rock | 23 min |
| Apr 30, 4:42 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Dodge, Green, Jefferson, Rock | 48 min |
Nearby
Tornado Warnings in Wisconsin, 2010Every tornado warning in 2010Tornadoes in 2010
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.