Alert archive / Indiana / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 38, NWS Indianapolis, IN

May 1, 2003Delaware County, Henry County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 1, 2003, 4:33 PM EST for Delaware County, Henry County, Indiana. It was in force for 42 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: May 1, 2003, 4:33 PM EST (21:33 UTC)
Expired: May 1, 2003, 5:15 PM EST
In force: 42 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Delaware County, IN, Henry County, IN

The radar

The Indianapolis radar (KIND), 83 km from the middle of the area, began a volume at 21:37 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.

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.

Issued	Product	Office	Lasted
May 1, 12:50 PM EST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.6 hours before the alert went out and 158 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: 354 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 1165 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 101 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

626 
WUUS53 KIND 012133
SVRIND
INC035-065-012215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
433 PM EST THU MAY 1 2003

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN DELAWARE COUNTY IN EAST CENTRAL INDIANA
  THIS INCLUDES THE CITY OF MUNCIE
  HENRY COUNTY IN EAST CENTRAL INDIANA

* UNTIL 515 PM EST

* AT 432 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER SPRINGPORT...OR ABOUT 9 MILES SOUTH OF
  MUNCIE...MOVING NORTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  YORKTOWN AT 440 PM EST
  MUNCIE AT 450 PM EST
  SELMA AT 455 PM EST

VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE
IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A
SUBSTANTIAL SHELTER.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS. WHEN INDOORS...STAY AWAY FROM
WINDOWS AND DOORS AND AVOID USING TELEPHONES UNLESS IT IS AN
EMERGENCY.

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

LAT...LON 4005 8559 3985 8536 4021 8520 4029 8545

$$

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 Indianapolis, IN wrote its last area forecast discussion before this severe thunderstorm warning went out at May 1, 12:30 PM EST, 4 hours 3 minutes earlier.

Area forecast discussion, May 1, 12:30 PM EST, 4 hours 3 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1230 PM EST THU MAY 01 2003

MAIN CHALLENGE WL BE EARLY ON WITH PSBL SVR TRW ACTIVITY THIS EVE AND
TSTM CHANCES ON FRI. AFTER THAT...MAINLY CONSERNED WITH CLD
TRENDS/TEMPS AS MUCH COOLER AND DRIER AIRMASS MOVES IN. LATEST SFC
ANLYS WAS SHOWING AN APRCHG CD FNT FM ABOUT KLAN-KORD-KCOU...WHILE UA
ANLYS HAD A S/W LIFTING NE ACRS CNTRL/SRN IL IN THE SW FLOW. KIND-88D
EARLY THIS AFTERNOON WAS SHOWING AREA OF TRWS MOVING NE ACRS OUR NW
AND WCNTRL COUNTIES WITH VSBL PIX SHOWING GOOD DEAL OF SS ACRS THE
REST OF CNTRL INDIANA.

MODELS IN PRETTY GOOD AGREEMENT ON MOVING THE APRCG IL S/W INTO ERN
INDIANA AROUND 00Z THIS EVE WITH BEST LIFT ACRS SRN AND ERN PART OF
THE FA THEN AND WELL E OF THE FA OVRNGT. MEANWHILE...CD FNT TO MOVE S
OF THE OH RVR OVRNGT. WL TRIM EVE POPS TO CHC CAT N AND W...KEEP
LIKELY GOING S AND E AND TAKE OUT POPS COMPLETELY OVRNGT. WK S/W
MOVES ACRS NRN INDIANA LATE FRI/FRI NGT. INSTABILITY PROGS SHOWING FM
500-1000 J/KG MAINLY ACRS SRN HALF OF THE FA. AT ANY RATE...ENOUGH
LIFT/INSTABILITY TO GO WITH LOW POPS FRI/FRI EVE. SHOOULD BE PLNTY OF
CLDS AROUND THROUGH FRI NGT AS TIME SECS KEEP LOTS OF LOW LVL MOIST
AROUND AND S/W WV PASSES THROUGH. SFC HIGH PRES GRADUALLY BUILDS ACRS
THE FA AND BY SATUDAY AFTERNOON THE CENTER IS ACRS LK HU. TIME SECS
SHOWING NICE SOME THINNING OF THE LOW LVL MOIST...BUT CU PROGS STILL
INDICATING DECENT AMOUNT OF DIURNAL CU. PARTLY SUNNY SHOULD BE OK
THOUGH AS WE WOULD EXPECT AT LEAST A LITTLE SS. SHOULD BE NICE CLRG
SATURDAY EVE AS THE DIURNAL CU DISSIPATES AND UPR RIDGE APROACHES.
HOWEVER...A STG SFC SYS MOVES INTO THE CNTRL PLAINS BY SUNDAY MRNG
WITH SOME INCRS IN HIGH CLDS EXPECTED TOWARD MRNG AND MORE TRWS BY
SUNDAY AFTERNOON.

MOS TEMPS WERE PRETTY CLOSE THROUGH THE PD AND APPEAR REASONABLE
BASED ON THE ADVECTION PATTER/CLD TRENDS.

.IND...NONE.

KOCH

Hazardous weather outlook, May 1, 5:46 AM EST, 10 hours 47 minutes before

INZ021-028>031-035>049-051>057-060>065-067>072-021045-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
546 AM EST THU MAY 1 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TODAY AND TONIGHT
A COLD FRONT WILL MOVE THROUGH CENTRAL INDIANA TODAY.  A LINE OF
THUNDERSTORMS WILL DEVELOP OUT AHEAD OF THE COLD FRONT THIS
AFTERNOON AND CONTINUE INTO THIS EVENING.  SOME OF THESE STORMS MAY
BECOME SEVERE WITH DAMAGING WINDS AND HAIL THE MAIN THREAT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
THUNDERSTORMS ARE EXPECTED EACH DAY MONDAY THROUGH WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON.

&&

MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING URL...

HTTP://WWW.CRH.NOAA.GOV/IND (ALL LOWER CASE)

In the hours before

Local storm report, May 1, 3:21 PM EST, 1 hour 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
0321 PM EST THU MAY 01 2003

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

0306 PM    1 E LOOGOOTEE             IN   WIND DAMAGE
05/01/03   MARTIN                         TREES AND POWER LINES DOWN

0306 PM    3 S LOOGOOTEE             IN   WIND DAMAGE
05/01/03   MARTIN                         TREES AND POWER LINES DOWN

JB

Local storm report, May 1, 3:34 PM EST, 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
0334 PM EST THU MAY 01 2003

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

0322 PM    7 WSW BEDFORD             IN   WIND DAMAGE
05/01/03   LAWRENCE                       TREE FELL ON HOME

DT

Local storm report, May 1, 4:06 PM EST, 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
0406 PM EST THU MAY 01 2003

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

0358 PM    2 SW BROWNSTOWN           IN   WIND DAMAGE
05/01/03   JACKSON                        TREES AND POWER LINES DOWN

JB

Local storm report, May 1, 4:33 PM EST, 0 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
0433 PM EST THU MAY 01 2003

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

0428 PM    SULPHUR SPRINGS           IN   0.50 IN HAIL
05/01/03   HENRY                          PEA TO MARBLE SIZE HAIL

PBG

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 1, 2:31 PM EST	Severe Thunderstorm Warning	IND	Daviess, Knox	44 min
May 1, 2:54 PM EST	Severe Thunderstorm Warning	IND	Martin	51 min
May 1, 3:17 PM EST	Severe Thunderstorm Warning	IND	Lawrence	43 min
May 1, 3:41 PM EST	Severe Thunderstorm Warning	IND	Monroe	34 min
May 1, 3:46 PM EST	Severe Thunderstorm Warning	IND	Jackson	44 min
May 1, 3:55 PM EST	Severe Thunderstorm Warning	IND	Monroe	20 min
May 1, 4:46 PM EST	Severe Thunderstorm Warning	IND	Madison	29 min
May 1, 5:50 PM EST	Severe Thunderstorm Warning	IND	Randolph	40 min
May 1, 5:56 PM EST	Tornado Warning	IND	Delaware	19 min
May 1, 6:02 PM EST	Tornado Warning	IND	Randolph	28 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2003 Every severe thunderstorm warning in 2003

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.