Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 42, NWS Green Bay, WI

June 17, 2007Marinette County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 17, 2007, 5:01 PM CDT for Marinette County, Wisconsin. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 17, 2007, 5:01 PM CDT (22:01 UTC)
Expired
Jun 17, 2007, 5:30 PM CDT
In force
29 min
Issued by
NWS Green Bay, WI
Area
Counties, with a storm outline in the text

County Marinette County, WI

The radar

The Green Bay radar (KGRB), 78 km from the middle of the area, began a volume at 22:04 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 17, 1:35 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.0 hours before the alert went out and 80 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.

Skew-T log-pSkew-T log-p diagram, Green Bay/Straub, WI at 12:00Z on 2007-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2007-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1085 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS53 KGRB 172201
SVRGRB
WIC075-172230-
/O.NEW.KGRB.SV.W.0042.070617T2201Z-070617T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
501 PM CDT SUN JUN 17 2007

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MARINETTE COUNTY IN NORTHEAST WISCONSIN...

* UNTIL 530 PM CDT

* AT 456 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
  THUNDERSTORM PRODUCING PENNY SIZE HAIL.  THIS STORM WAS LOCATED
  NEAR CRIVITZ...OR ABOUT 23 MILES WEST OF MENOMINEE...AND MOVING
  SOUTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LOOMIS BY 515 PM...
  PORTERFIELD AND HARMONY BY 525 PM...

TORNADOES CAN DEVELOP QUICKLY WITH LITTLE OR NO WARNING. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

SEVERE THUNDERSTORMS PRODUCE STRONG WINDS AND HAIL. STAY AWAY FROM
WINDOWS UNTIL THE STORM PASSES. IF OUTDOORS...GO TO A STURDY SHELTER.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY

LAT...LON 4532 8811 4516 8821 4498 8769 4518 8757

$$

MG
2 follow-up statements
000 
WWUS53 KGRB 172208
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
508 PM CDT SUN JUN 17 2007

WIC075-172230-
/O.CON.KGRB.SV.W.0042.000000T0000Z-070617T2230Z/
MARINETTE-
508 PM CDT SUN JUN 17 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT 
FOR SOUTHERN MARINETTE COUNTY...

AT 504 PM...TRAINED WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM
PRODUCING PENNY SIZE HAIL.  THIS STORM WAS LOCATED NEAR LOOMIS...OR
ABOUT 17 MILES WEST OF MENOMINEE...MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PORTERFIELD AND HARMONY BY 520 PM...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

LAT...LON 4532 8811 4516 8821 4498 8769 4518 8757

$$

MG
000 
WWUS53 KGRB 172232
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
530 PM CDT SUN JUN 17 2007

WIC075-172240-
/O.EXP.KGRB.SV.W.0042.000000T0000Z-070617T2230Z/
MARINETTE-
530 PM CDT SUN JUN 17 2007

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MARINETTE COUNTY 
EXPIRED AT 530 PM CDT...

THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED.

GUSTY WINDS AND SMALL HAIL ARE STILL POSSIBLE WITH THUNDERSTORMS IN 
THIS AREA.

LAT...LON 4532 8811 4516 8821 4498 8769 4518 8757

$$

MG

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Green Bay, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 17, 3:45 PM CDT, 1 hour 16 minutes earlier.

Area forecast discussion, Jun 17, 3:45 PM CDT, 1 hour 16 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREEN BAY WI
339 PM SUN JUN 17 2007

.SHORT TERM...SCATTERED THUNDERSTORMS ALONG NORTHWARD MOVING WARM
FRONT WILL EXIT THE AREA THIS EVENING. THEN PARTLY CLOUDY AND MILD
OVERNIGHT. SEVERE THUNDERSTORMS POSSIBLE AGAIN MONDAY AS COLD
FRONT APPROACHES FROM THE WEST. DECENT WIND FIELD AND MODEST WET
BULB ZERO HEIGHTS SHOULD ALLOW FOR THUNDERSTORMS WITH STRONG WINDS
AND HAIL.

.LONG TERM...ADDITIONAL CHANCE FOR CONVECTION WEDNESDAY AFTERNOON
AND EVENING AS WEAK COLD FRONT MOVES THROUGH. RIDGE FORECAST TO
BUILD TOWARDS THE END OF THE WEEK AND BRING VERY WARM TEMPERATURES.

&&

.GRB WATCHES/WARNINGS/ADVISORIES...
NONE.
&&
Hazardous weather outlook, Jun 17, 10:30 AM CDT, 6 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREEN BAY WI
1030 AM CDT SUN JUN 17 2007

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-181530-
VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE-SOUTHERN MARINETTE-
LINCOLN-LANGLADE-MENOMINEE-NORTHERN OCONTO-SOUTHERN OCONTO-DOOR-
MARATHON-SHAWANO-WOOD-PORTAGE-WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WAUSHARA-
WINNEBAGO-CALUMET-MANITOWOC-
1030 AM CDT SUN JUN 17 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH-CENTRAL AND NORTHEAST
WISCONSIN.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING. SOME
OF THE STORMS COULD BE SEVERE AND PRODUCE LARGE HAIL AND DAMAGING
WINDS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS ARE EXPECTED MONDAY AND MONDAY EVENING. CONDITIONS
ARE EXPECTED TO BE FAVORABLE FOR SOME OF THE STORMS TO BECOME
SEVERE. DAMAGING WINDS WILL BE THE MAIN THREAT. HEAVY RAINFALL IS
ALSO POSSIBLE.

ADDITIONAL THUNDERSTORMS ARE POSSIBLE WEDNESDAY AFTERNOON AND
WEDNESDAY EVENING. THESE STORMS ARE NOT EXPECTED TO BE SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION COULD BE NECESSARY THIS AFTERNOON AND
EVENING.

LMZ521-522-541>543-564-181530-
THE BAY OF GREEN BAY SOUTH OF A LINE FROM CEDAR RIVER MI TO ROCK ISLAND
PASSAGE-LAKE MICHIGAN FROM WASHINGTON ISLAND TO SHEBOYGAN-THE ADJOINING
WISCONSIN WATERS OF LAKE MICHIGAN OUT TO MID-LAKE-
1030 AM CDT SUN JUN 17 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WATERS OF CENTRAL AND
SOUTHERN GREEN BAY...AND LAKE MICHIGAN FROM ROCK ISLAND PASSAGE
TO SHEBOYGAN.

.DAY ONE...THIS AFTERNOON AND TONIGHT

THERE IS A CHANCE OF THUNDERSTORMS THIS AFTERNOON AND EVENING. A FEW
OF THE STORMS COULD PRODUCE LARGE HAIL AND STRONG WINDS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

WINDS AND WAVES HAZARDOUS TO SMALL CRAFT ARE POSSIBLE MONDAY.

THUNDERSTORMS ARE ALSO EXPECTED MONDAY AND MONDAY EVENING.
CONDITIONS ARE EXPECTED TO BE FAVORABLE FOR SOME OF THE STORMS TO
BECOME SEVERE. STRONG WINDS WILL BE THE MAIN THREAT.

ADDITIONAL THUNDERSTORMS ARE POSSIBLE WEDNESDAY AFTERNOON AND
WEDNESDAY EVENING. THESE STORMS ARE NOT EXPECTED TO BE SEVERE.

RDM
WEATHER.GOV/GREENBAY

In the hours before

Local storm report, Jun 17, 2:50 PM CDT, 2 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
250 PM CDT SUN JUN 17 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0245 PM     HAIL             ELCHO                   45.43N 89.18W
06/17/2007  M0.75 INCH       LANGLADE           WI   TRAINED SPOTTER

0249 PM     HAIL             ELCHO                   45.43N 89.18W
06/17/2007  M1.50 INCH       LANGLADE           WI   TRAINED SPOTTER

&&
Local storm report, Jun 17, 2:59 PM CDT, 2 hours 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
259 PM CDT SUN JUN 17 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0250 PM     HAIL             2 SW PELICAN LAKE       45.48N 89.14W
06/17/2007  E1.75 INCH       ONEIDA             WI   TRAINED SPOTTER

            HAIL SHAPED LIKE EGGS. GUSTY WINDS AND VERY HEAVY RAIN
            ALSO.

&&
Local storm report, Jun 17, 3:37 PM CDT, 1 hour 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
337 PM CDT SUN JUN 17 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0335 PM     HAIL             PICKEREL                45.36N 88.91W
06/17/2007  E0.25 INCH       LANGLADE           WI   AMATEUR RADIO

            AND VERY HEAVY RAIN.

&&
Local storm report, Jun 17, 4:19 PM CDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
419 PM CDT SUN JUN 17 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0405 PM     HAIL             4 W CARTER              45.39N 88.71W
06/17/2007  E0.75 INCH       FOREST             WI   PUBLIC

            COVERING THE GROUND.

&&
Local storm report, Jun 17, 4:36 PM CDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
436 PM CDT SUN JUN 17 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0401 PM     HAIL             CARTER                  45.39N 88.63W
06/17/2007  E0.50 INCH       FOREST             WI   PUBLIC

            AT THE CASINO.

&&
Special weather statement, Jun 17, 4:45 PM CDT, 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
445 PM CDT SUN JUN 17 2007

WIZ011-013-021-073-074-172215-
FOREST-NORTHERN MARINETTE COUNTY-NORTHERN OCONTO COUNTY-SOUTHERN
MARINETTE COUNTY-SOUTHERN OCONTO COUNTY-
445 PM CDT SUN JUN 17 2007

...STRONG THUNDERSTORMS ACROSS NORTHEAST WISCONSIN...

AT 443 PM...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
STRONG THUNDERSTORMS ACROSS NORTHEAST WISCONSIN.  THE STONGEST STORM
WAS OVER SOUTHEAST FOREST COUNTY.  OTHER STORMS WERE OVER WESTERN
MARINETTE AND SOUTHWEST OCONTO COUNTIES.  THE THUNDERSTORMS WERE
MOVING EAST AT 25 MPH.

HAIL..WINDS GREATER THAN 40 MPH...CLOUD TO GROUND LIGHTNING...AND
HEAVY DOWNPOURS ARE POSSIBLE WITH THE STORMS.

IF A THUNDERSTORM APPROACHES YOUR LOCATION...SEEK SHELTER IN A
STURDY STRUCTURE UNTIL THIS STORM HAS PASSED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 7 PM FOR THE AREA.

JKL

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 17, 1:09 PM CDTSevere Thunderstorm WarningGRBOneida51 min
Jun 17, 1:19 PM CDTSevere Thunderstorm WarningGRBLincoln41 min
Jun 17, 1:59 PM CDTSevere Thunderstorm WarningGRBLanglade, Lincoln, Oneida46 min
Jun 17, 2:43 PM CDTSevere Thunderstorm WarningGRBForest, Langlade, Oneida62 min
Jun 17, 3:43 PM CDTSevere Thunderstorm WarningGRBForest47 min
Jun 17, 5:27 PM CDTMarine Weather StatementGRB93 min
Jun 17, 6:21 PM CDTSevere Thunderstorm WarningGRBDoor39 min
Jun 17, 6:25 PM CDTSpecial Marine WarningGRB95 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.