Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 2, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Mar 21, 2007, 5:35 PM CDT for Dane County, Green County, Rock County, Wisconsin. It was in force for 40 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
- Mar 21, 2007, 5:35 PM CDT (22:35 UTC)
- Expired
- Mar 21, 2007, 6:15 PM CDT
- In force
- 40 min
- Issued by
- NWS Milwaukee, WI
- Area
- Counties, with a storm outline in the text
Counties Dane County, WI, Green County, WI, Rock County, WI
The radar
The Milwaukee radar (KMKX), 67 km from the middle of the area, began a volume at 22:37 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 |
|---|---|---|---|
| Mar 21, 5:40 PM CDT | HAIL 1 | 4 Ssw Brooklyn, WI | MEASURED 1.00 INCH DIAMETER HAIL 4 MILES SOUTH SOUTHWEST OF BROOKLYN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 10.6 hours before the alert went out and 165 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
- 699 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 261 m²/s²
- 0-3 km storm-relative helicity
- 275 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 KMKX 212235 SVRMKX WIC025-045-105-212315- /O.NEW.KMKX.SV.W.0002.070321T2235Z-070321T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 535 PM CDT WED MAR 21 2007 THE NATIONAL WEATHER SERVICE NEAR SULLIVAN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN GREEN COUNTY IN SOUTH CENTRAL WISCONSIN NORTHWESTERN ROCK COUNTY IN SOUTH CENTRAL WISCONSIN SOUTHEASTERN DANE COUNTY IN SOUTH CENTRAL WISCONSIN * UNTIL 615 PM CDT * AT 528 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED NEAR ALBANY...OR ABOUT 11 MILES NORTHEAST OF MONROE...AND MOVING NORTHEAST AT 45 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BROOKLYN AND EVANSVILLE BY 540 PM CDT... STOUGHTON BY 550 PM CDT... CAMBRIDGE BY 605 PM CDT... IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. LAT...LON 4282 8961 4265 8950 4287 8901 4301 8902 $$ REM
3 follow-up statements
000
WWUS53 KMKX 212253
SVSMKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
552 PM CDT WED MAR 21 2007
WIC045-212302-
/O.CAN.KMKX.SV.W.0002.000000T0000Z-070321T2315Z/
GREEN-
552 PM CDT WED MAR 21 2007
...THE SEVERE THUNDERSTORM WARNING FOR GREEN COUNTY IS CANCELLED...
LAT...LON 4297 8914 4297 8911 4301 8902 4301 8901
4287 8902 4272 8936 4285 8936 4286 8938
4286 8949
$$
WIC025-105-212315-
/O.CON.KMKX.SV.W.0002.000000T0000Z-070321T2315Z/
ROCK-DANE-
552 PM CDT WED MAR 21 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR SOUTHEASTERN DANE AND NORTHWESTERN ROCK COUNTIES...
AT 545 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL TO
QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR COOKSVILLE...OR
ABOUT NEAR EVANSVILLE...MOVING NORTHEAST AT 45 MPH.
AT 540 PM...A TRAINED WEATHER SPOTTER REPORTED 1 INCH HAIL 4 MILES
SOUTH SOUTHWEST OF BROOKLYN.
THE SEVERE THUNDERSTORM WILL BE NEAR...
9 MILES SOUTHEAST OF ROCKDALE BY 605 PM CDT...
LAT...LON 4297 8914 4297 8911 4301 8902 4301 8901
4287 8902 4272 8936 4285 8936 4286 8938
4286 8949
$$
REM000
WWUS53 KMKX 212320
SVSMKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
617 PM CDT WED MAR 21 2007
WIC025-105-212327-
/O.EXP.KMKX.SV.W.0002.000000T0000Z-070321T2315Z/
ROCK-DANE-
617 PM CDT WED MAR 21 2007
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DANE AND
NORTHWESTERN ROCK COUNTIES EXPIRED AT 615 PM CDT...
AT 617 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE
THUNDERSTORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAD
WEAKENED. THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED
TO EXPIRE.
SCATTERED THUNDERSTORMS WILL CONTINUE THROUGH THE EARLY EVENING
HOURS...MAINLY ALONG AND EAST OF AN OXFORD...MADISON TO MONROE
LINE.
SOME OF THE STORMS WILL PRODUCE HEAVY DOWNPOURS OF RAIN...SMALL HAIL
AND CLOUD TO GROUND LIGHTNING/
LAT...LON 4297 8914 4297 8911 4301 8902 4301 8901
4287 8902 4272 8936 4285 8936 4286 8938
4286 8949
$$
REM000
WWUS53 KMKX 212323 CCA
SVSMKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
617 PM CDT WED MAR 21 2007
WIC025-105-212327-
/O.EXP.KMKX.SV.W.0002.000000T0000Z-070321T2315Z/
ROCK-DANE-
617 PM CDT WED MAR 21 2007
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DANE AND
NORTHWESTERN ROCK COUNTIES EXPIRED AT 615 PM CDT...
AT 617 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE
THUNDERSTORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAD
WEAKENED. THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED
TO EXPIRE.
SCATTERED THUNDERSTORMS WILL CONTINUE THROUGH THE EARLY EVENING
HOURS...MAINLY ALONG AND EAST OF AN OXFORD...MADISON TO MONROE
LINE.
SOME OF THE STORMS WILL PRODUCE HEAVY DOWNPOURS OF RAIN...SMALL HAIL
AND CLOUD TO GROUND LIGHTNING.
LAT...LON 4297 8914 4297 8911 4301 8902 4301 8901
4287 8902 4272 8936 4285 8936 4286 8938
4286 8949
$$
CORRECTED PUNCTUATION ERROR IN LAST LINE.
REMThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 5:05 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Sauk | 36 min |
| Mar 21, 6:29 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Jefferson, Rock | 31 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.