Alert archive / Indiana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 100, NWS Northern Indiana

July 4, 2001Cass County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 4, 2001, 3:46 PM EST for Cass County, Indiana. It was in force for 54 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jul 4, 2001, 3:46 PM EST (20:46 UTC)
Expired: Jul 4, 2001, 4:40 PM EST
In force: 54 min
Issued by: NWS Northern Indiana
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Cass County, IN

What was reported inside it

Time	Report	Where	Remark
Jul 4, 3:55 PM EST	Thunderstorm Wind	Logansport, IN	Trees down on power lines.

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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.8 hours before the alert went out and 262 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: 439 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 846 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KIWX 042048
SVRFWA

INC017-042140-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
346 PM EST WED JUL 4 2001

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CASS COUNTY IN INDIANA

* UNTIL 440 PM EST

* AT 346 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM 4 MILES NORTH OF LOGANSPORT...MOVING         
  SOUTHEAST AT 30 MPH.

* SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...
  LOGANSPORT
  ONWARD
  WALTON
  ADAMSBORO
  GALVESTON

SEEK SHELTER INSIDE A STURDY BUILDING AWAY FROM WINDOWS. SEVERE 
STORMS CAN PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL AND ISOLATED 
TORNADOES. 

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN NORTHERN INDIANA.

LAT...LON 4091 8631 4091 8657 4057 8627 4060 8618
          4092 8619

LASHLEY

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 Northern Indiana wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 4, 3:25 PM EST, 21 minutes earlier.

Area forecast discussion, Jul 4, 3:25 PM EST, 21 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTHERN INDIANA
325 PM EST WED JUL 4 2001

SHORT ON TIME FOR LENGTHY DISC. CONCERN PRIMARILY WITH ONGOING SVR
ACRS SWRN FA. WL CONT STRONG/SVR WORDING ISOLD TO SCT ACRS ALL BUT
NWRN FA THIS EVENING. BEHIND FNT SBN DP HAS DROPPED 11F IN 2 HRS
WITH UPR 40S FURTHER UPSTREAM ACRS SRN WI. DRY AMS NEXT 2 DAYS WITH
MODERATING TEMP TREND DY2/3. MODELS ALL SIMILAR IN OVERALL SOLN
WITH EXCEPTION OF ETA FLATTER BY FRI WITH UL HIGH PROGRESSING
INTO CNTRL PLAINS. LTL EFFECT THOUGH IN OUR SENSIBLE WX. CRNT ZNS ON
TRACK WITH LTST MAV/FWC TEMP GUID AND WL NOT DIFFER. MSTR RETURN FOR
SAT WL CONT CHC TSRA. MISFWA AVBL.

.IWX...NONE.
PBM
|

In the hours before

Special weather statement, Jul 4, 12:35 PM EST, 3 hours 11 minutes before

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-005-
015-016-024-025-042300-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1235 PM EST WED JUL 4 2001

...SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON...

THERE IS A SLIGHT RISK FOR SEVERE STORMS SOUTHEAST OF A LINE FROM
COLDWATER MICHIGAN TO GOSHEN INDIANA TO KNOX INDIANA. A COLD FRONT
MOVING THROUGH THE AREA THIS AFTERNOON WILL TRIGGER SOME SCATTERED
THUNDERSTORMS. THE AIRMASS AHEAD OF THIS FRONT IS MODERATELY
UNSTABLE THIS AFTERNOON WHICH MAY ALLOW A FEW STORMS TO REACH SEVERE
LIMITS. LARGE HAIL AND DAMAGING THUNDERSTORM WINDS WILL BE THE
PRIMARY THREAT.

SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON. STAY TUNED TO
NOAA WEATHER RADIO AND LOCAL RADIO OR TELEVISION FOR FURTHER UPDATES.

Local storm report, Jul 4, 2:28 PM EST, 1 hour 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
228 PM EST WED JUL 04 2001

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

0220 PM    2 N BASS LAKE             IN   FUNNEL CLOUD
07/04/01   STARKE                         REPORTED BY PUBLIC.

Local storm report, Jul 4, 3:11 PM EST, 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
311 PM EST WED JUL 04 2001

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

0309 PM    NORTH JUDSON              IN   .75 INCH HAIL
07/04/01   STARKE                         REPORTED BY HAM RADIO
                                          OPERATOR.

Local storm report, Jul 4, 3:25 PM EST, 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
325 PM EST WED JUL 04 2001

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

0320 PM    2 SSE KEWANNA             IN   1 INCH HAIL
07/04/01   FULTON                         REPORTED BY HAM RADIO
                                          OPERATOR.

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 4, 5:03 AM EST	Severe Thunderstorm Warning	IWX	Marshall, Starke	37 min
Jul 4, 6:59 AM EST	Severe Thunderstorm Warning	IWX	Elkhart, Saint Joseph	51 min
Jul 4, 1:40 PM EST	Severe Thunderstorm Warning	IWX	LaPorte, Starke	50 min
Jul 4, 2:04 PM EST	Tornado Warning	IWX	LaPorte, Starke	46 min
Jul 4, 2:50 PM EST	Severe Thunderstorm Warning	IWX	Pulaski, Starke	50 min
Jul 4, 3:01 PM EST	Tornado Warning	IWX	Pulaski	39 min
Jul 4, 3:14 PM EST	Tornado Warning	IWX	Cass, Fulton	46 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2001 Every severe thunderstorm warning in 2001

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.