Alert archive / Indiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 37, NWS Northern Indiana

July 27, 1997Adams County, Wells County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 27, 1997, 2:49 PM EST for Adams County, Wells County, Indiana. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 27, 1997, 2:49 PM EST (19:49 UTC)
Expired
Jul 27, 1997, 3:45 PM EST
In force
56 min
Issued by
NWS Northern Indiana
Area
Whole counties

Counties Adams County, IN, Wells County, IN

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 27, 2:30 PM ESTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.8 hours before the alert went out and 182 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, Cncnati-Daytn, OH at 12:00Z on 1997-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2569 joules per kilogram.LCLLFCEL10008507005003002001001 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, Cncnati-Daytn, OH at 12:00Z on 1997-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 square meters per square second.1939Sfc1 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
2569 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
889 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
9.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFWA 271949 RRA
SVRFWA
INC001-179-272045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WAYNE IN
249 PM EST SUN JUL 27 1997
 
THE NATIONAL WEATHER SERVICE IN FORT WAYNE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST INDIANA
 
   ...ADAMS COUNTY...WELLS COUNTY
 
AT 245 PM EST RADAR INDICATED SEVERE THUNDERSTORMS MOVING ACROSS WELLS
AND ADAMS COUNTIES AT 30 MPH. THESE STORMS ARE CAPABLE OF PRODUCING 60
MPH WINDS AND DANGEROUS LIGHTNING AND VERY HEAVY RAINFALL.
 
PEOPLE ACROSS THESE COUNTIES SHOULD BE ALERT FOR THE APPROACH OF SEVERE
WEATHER AND TAKE SHELTER.  THE HEAVY RAIN WILL CAUSE FLOODED ROADS.
HAYES
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. > HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 9:28 PM ESTSevere Thunderstorm WarningIWXAllen62 min
Jul 26, 10:25 PM ESTSevere Thunderstorm WarningIWXWabash50 min
Jul 27, 1:15 PM ESTSevere Thunderstorm WarningIWXLaGrange45 min
Jul 27, 1:44 PM ESTSevere Thunderstorm WarningIWXNoble31 min
Jul 27, 2:05 PM ESTSevere Thunderstorm WarningIWXWhitley40 min
Jul 27, 2:17 PM ESTTornado WarningIWXAllen43 min
Jul 27, 2:31 PM ESTSevere Thunderstorm WarningIWXHuntington59 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1997Every severe thunderstorm warning in 1997

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.