Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 125, NWS Green Bay, WI

July 14, 1998Forest County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jul 14, 1998, 9:26 AM CDT for Forest County, Wisconsin. It was in force for 64 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 14, 1998, 9:26 AM CDT (14:26 UTC)
Expired: Jul 14, 1998, 10:30 AM CDT
In force: 64 min
Issued by: NWS Green Bay, WI
Area: Whole counties

County Forest County, WI

What was reported inside it

Time	Report	Where	Remark
Jul 14, 10:10 AM CDT	Thunderstorm Wind	Crandon, WI

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 2.4 hours before the alert went out and 142 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2547 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 977 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Jul 14, 2:00 AM CDT, 7 hours 26 minutes earlier.

Area forecast discussion, Jul 14, 2:00 AM CDT, 7 hours 26 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREEN BAY WI
200 AM CDT TUE JUL 14 1998

FORECAST PROBLEMS FOR THE DAY INCLUDE T-STORM CHANCES ACROSS THE NORTH
AND WARM TEMPS EVERYWHERE.

EARLY MORNING SURFACE ANALYSIS SHOWS A FRONTAL BOUNDARY WITH GOOD DEW
POINT DISCONTINUITY FROM NEAR MQT-DLH-MVX-TO NEAR RAP. IR-SATL 2KM LOOP
SHOWING SOME CLOUDS NOW BREAKING OUT IN THE VICINITY OF THIS FRONT AND
MQT 88-D SHOWS DECENT RETURNS ACROSS THE EASTERN PORTION OF THE U.P.

PROGS AND NTRANS DATA SHOW DECENT LOW-LEVEL CONVERGENCE AND SOME UPPER
LEVEL DIFFLUENCE ACROSS EXTREME NORTHERN WISCONSIN IN ASSOCIATION WITH
THIS FRONT THROUGH THE DAY...PLUS THE CAP APPEARS TO BE THE WEAKEST IN
THAT AREA AS WELL. FORECAST SOUNDINGS SHOW CAPES WILL RISE WELL OVER
2000 J/KG IN THAT AREA AS WELL. MESO ANALYSIS SHOWS NORTHERN WISCONSIN
ALSO SHOWS THE GREATEST INSTABILITY...THE WEAKEST CAP AND IS IN THE
GREATEST THETA-E ADVECTION AREA. RECOMMEND A SMALL POP ACROSS THAT AREA
FOR TSTORMS. THIS WILL ENTAIL BREAKING MARINETTE COUNTY BY ITSELF W/
MENTION OF N-HALF ACTIVITY FOR THAT COUNTY.

WARM...WARM...WARM TEMPS TO CONTINUE TO TODAY WITH 90'S A GOOD BET FOR
MOST OF THE AREA. HEAT INDICES SHOULD REMAIN UNDER 105 SO NO ADVISORY
RECOMMENDED. BUT I MAY ISSUE AN SPS LATER THIS MORNING JUST TO REMIND
PEOPLE ITS GOING TO BE HOT AND TO TAKE IT EASY.

LAKEBREEZE LIKELY AGAIN ALONG THE BIG POND...THAT MAYBE THE ONLY PLACE
ACROSS NE WISCONSIN TO REMAIN2 COOLER THAN 90.

COORDINATION W/LSE...MQT AND DLH THIS MORNING. THANKS.

ISAACSON

In the hours before

Special weather statement, Jul 14, 4:35 AM CDT, 4 hours 51 minutes before

WIZ005-010>013-018>022-030-031-035>040-045-048>050-142125-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
435 AM CDT TUE JUL 14 1998

...VERY WARM AND HUMID WEATHER EXPECTED ACROSS THE REGION TODAY...

TEMPERATURES THAT ARE EXPECTED TO RISE TO NEAR 90 DEGREES ALONG WITH
HIGH HUMIDITY LEVELS WILL PUSH HEAT INDICES TO NEAR 100 DEGREES TODAY.

THIS DANGEROUS COMBINATION OF HEAT AND HUMIDITY HAS THE POTENTIAL OF
PRODUCING SUNSTROKE...HEAT CRAMPS AND HEAT EXHAUSTION TO THOSE THAT
ARE EXPOSED TO THESE CONDITIONS FOR A PROLONGED PERIOD OF TIME.

IT IS HIGHLY RECOMMENDED THAT THOSE ENGAGED IN OUTDOOR ACTIVITY STAY
IN SHADED AREAS AND DRINK PLENTY OF FLUIDS TO AVOID HEAT RELATED
INJURIES.

CHECK ON ELDERLY OR HANDICAPPED NEIGHBORS THAT MAY NOT HAVE TO AIR
CONDITIONED QUARTERS.

ISAACSON

Special weather statement, Jul 14, 4:35 AM CDT, 4 hours 51 minutes before

WIZ005-010>013-018>022-030-031-035>040-045-048>050-142125-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
435 AM CDT TUE JUL 14 1998

...VERY WARM AND HUMID WEATHER EXPECTED ACROSS THE REGION TODAY...

TEMPERATURES THAT ARE EXPECTED TO RISE TO NEAR 90 DEGREES ALONG WITH
HIGH HUMIDITY LEVELS WILL PUSH HEAT INDICES TO NEAR 100 DEGREES TODAY.

THIS DANGEROUS COMBINATION OF HEAT AND HUMIDITY HAS THE POTENTIAL OF
PRODUCING SUNSTROKE...HEAT CRAMPS AND HEAT EXHAUSTION TO THOSE THAT
ARE EXPOSED TO THESE CONDITIONS FOR A PROLONGED PERIOD OF TIME.

IT IS HIGHLY RECOMMENDED THAT THOSE ENGAGED IN OUTDOOR ACTIVITY STAY
IN SHADED AREAS AND DRINK PLENTY OF FLUIDS TO AVOID HEAT RELATED
INJURIES.

CHECK ON ELDERLY OR HANDICAPPED NEIGHBORS THAT MAY NOT HAVE TO AIR
CONDITIONED QUARTERS.

ISAACSON

Special weather statement, Jul 14, 6:00 AM CDT, 3 hours 26 minutes before

WIZ005-010>013-018>022-030-031-035>040-045-048>050-141700-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREEN BAY WI
600 AM CDT TUE JUL 14 1998

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

WIDESPREAD SEVERE WEATHER IS NOT EXPECTED TODAY OR TONIGHT ACROSS THE
REGION...HOWEVER...A FEW THUNDERSTORMS COULD PRODUCE WIND GUSTS
APPROACHING SEVERE CRITERIA.

FORECAST:
THUNDERSTORMS ARE POSSIBLE ACROSS MAINLY NORTHERN WISCONSIN TODAY AND
AGAIN TONIGHT. SOME OF THE STORMS COULD PRODUCE DAMAGING WIND GUSTS AND
BRIEF HEAVY DOWNPOURS.

DISCUSSION:
A WEAK SURFACE FRONT DRAPED ACROSS NORTHERN WISCONSIN WILL BE THE FOCAL
AREA FOR DEVELOPING THUNDERSTORMS TODAY. SEPERATING SLIGHTLY DRIER AND
COOLER AIR TO THE NORTH FROM THE VERY WARM...HUMID AND VERY UNSTABLE AIR
TO THE SOUTH...THE FRONTAL BOUNDARY WILL INTERACT WITH A WEAK UPPER AIR
DISTURBANCE FORECAST TO MOVE ACROSS NORTHERN WISCONSIN. THIS SHOULD LEAD
TO THUNDERSTORM DEVELOPMENT IN AREAS CLOSE TO THE FRONT.

SPOTTER ACTIVATION:
SPOTTER ACTIVATION IS NOT ANTICIPATED.

THIS OUTLOOK WILL BE UPDATED AT NOON. IN THE MEANTIME...SHORT-TERM
FORECASTS WILL BE ISSUED AS NEEDED 8TO PROVIDE ADDITIONAL WEATHER
INFORMATION.

ISAACSON

Special weather statement, Jul 14, 6:00 AM CDT, 3 hours 26 minutes before

WIZ005-010>013-018>022-030-031-035>040-045-048>050-141700-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREEN BAY WI
600 AM CDT TUE JUL 14 1998

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

WIDESPREAD SEVERE WEATHER IS NOT EXPECTED TODAY OR TONIGHT ACROSS THE
REGION...HOWEVER...A FEW THUNDERSTORMS COULD PRODUCE WIND GUSTS
APPROACHING SEVERE CRITERIA.

FORECAST:
THUNDERSTORMS ARE POSSIBLE ACROSS MAINLY NORTHERN WISCONSIN TODAY AND
AGAIN TONIGHT. SOME OF THE STORMS COULD PRODUCE DAMAGING WIND GUSTS AND
BRIEF HEAVY DOWNPOURS.

DISCUSSION:
A WEAK SURFACE FRONT DRAPED ACROSS NORTHERN WISCONSIN WILL BE THE FOCAL
AREA FOR DEVELOPING THUNDERSTORMS TODAY. SEPERATING SLIGHTLY DRIER AND
COOLER AIR TO THE NORTH FROM THE VERY WARM...HUMID AND VERY UNSTABLE AIR
TO THE SOUTH...THE FRONTAL BOUNDARY WILL INTERACT WITH A WEAK UPPER AIR
DISTURBANCE FORECAST TO MOVE ACROSS NORTHERN WISCONSIN. THIS SHOULD LEAD
TO THUNDERSTORM DEVELOPMENT IN AREAS CLOSE TO THE FRONT.

SPOTTER ACTIVATION:
SPOTTER ACTIVATION IS NOT ANTICIPATED.

THIS OUTLOOK WILL BE UPDATED AT NOON. IN THE MEANTIME...SHORT-TERM
FORECASTS WILL BE ISSUED AS NEEDED 8TO PROVIDE ADDITIONAL WEATHER
INFORMATION.

ISAACSON

Local storm report, Jul 14, 9:22 AM CDT, 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
922 AM CDT TUE JUL 14 1998

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0915 AM    5 SSW EAGLE RIVER         WI   WIND DAMAGE
07/14/98   ONEIDA                         TREES AND POWER LINES DOWN
                                          ALONG ONEIDA/VILAS COUNTY
                                          LINE

0915 AM    EAGLE RIVER               WI   WIND DAMAGE
07/14/98   VILAS                          TREES AND POWER LINES DOWN

JKL

Local storm report, Jul 14, 9:22 AM CDT, 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
922 AM CDT TUE JUL 14 1998

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0915 AM    5 SSW EAGLE RIVER         WI   WIND DAMAGE
07/14/98   ONEIDA                         TREES AND POWER LINES DOWN
                                          ALONG ONEIDA/VILAS COUNTY
                                          LINE

0915 AM    EAGLE RIVER               WI   WIND DAMAGE
07/14/98   VILAS                          TREES AND POWER LINES DOWN

JKL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 8:57 AM CDT	Severe Thunderstorm Warning	GRB	Oneida	63 min
Jul 14, 9:44 AM CDT	Severe Thunderstorm Warning	GRB	Langlade	61 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1998 Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.