Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 135, NWS Indianapolis, IN

May 25, 20116 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 25, 2011, 10:23 AM EDT for 6 counties in Indiana. It was in force for 52 min. 10 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 25, 2011, 10:23 AM EDT (14:23 UTC)
Expired
May 25, 2011, 11:15 AM EDT
In force
52 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Carroll County, IN, Clinton County, IN, Fountain County, IN, Montgomery County, IN, Tippecanoe County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 106 km from the middle of the area, began a volume at 14:24 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.

What was reported inside it

TimeReportWhereRemark
May 25, 10:32 AM EDTTSTM WND GST 403 S Attica, IN0.52 INCHES OF RAIN FELL FROM IN A HALF HOUR.
May 25, 10:32 AM EDTHAIL 15 Se Attica, IN
May 25, 10:42 AM EDTHAIL 0.259 Sw Shadeland, INPEA SIZE HAIL AND 30 MPH ESTIMATED WIND.
May 25, 10:48 AM EDTTSTM WND DMGWest Lafayette, INTREES DOWNED UP TO 2 FEET IN DIAMETER NEAR NW EDGE OF WEST LAFAYETTE. TIME ESTIMATED FROM RADAR.
May 25, 10:50 AM EDTHAIL 0.25West Lafayette, INALONG U.S. 52 AND WEST LAFAYETTE IN PURDUE CAMPUS
May 25, 10:55 AM EDTHAIL 0.25Lafayette, INPEA SIZE HAIL AND MEASURED WIND SPEED OF 31 MPH.
May 25, 11:00 AM EDTHAIL 0.755 Se Lafayette, IN
May 25, 11:07 AM EDTTSTM WND GST 394 Nw Lafayette, INMEASURED WIND AT HARRISON HIGH SCHOOL.
May 25, 11:10 AM EDTHAIL 1.755 Sw Delphi, IN
May 25, 11:20 AM EDTHAIL 1.754 Ne Delphi, IN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 3 storm reports to this severe thunderstorm warning; the first came 9 minutes after it went out.

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
May 25, 9:50 AM EDTTornado WatchSPC9 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 2.4 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2011-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1832 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, Lincoln, IL at 12:00Z on 2011-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 square meters per square second.19395878Sfc1 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
1832 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
561 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
222 m²/s²
Significant tornado parameter
1.6
Supercell composite
10.1

Open this sounding in Storm Lab

The text

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

800 
WUUS53 KIND 251423
SVRIND
INC015-023-045-107-157-171-251515-
/O.NEW.KIND.SV.W.0135.110525T1423Z-110525T1515Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1023 AM EDT WED MAY 25 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CARROLL COUNTY IN NORTH CENTRAL INDIANA...
  NORTHWESTERN CLINTON COUNTY IN CENTRAL INDIANA...
  NORTHEASTERN FOUNTAIN COUNTY IN WEST CENTRAL INDIANA...
  NORTHWESTERN MONTGOMERY COUNTY IN WEST CENTRAL INDIANA...
  TIPPECANOE COUNTY IN WEST CENTRAL INDIANA...
  NORTHEASTERN WARREN COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 1115 AM EDT

* AT 1020 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 10
  MILES SOUTHEAST OF OXFORD...OR 13 MILES WEST OF LAFAYETTE...AND
  MOVING NORTHEAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WEST LAFAYETTE...LAFAYETTE AND DAYTON AROUND 1030 AM EDT...
  BATTLE GROUND AROUND 1035 AM EDT...
  DELPHI AROUND 1045 AM EDT...
  YEOMAN...CAMDEN AND FLORA AROUND 1050 AM EDT...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 163 AND 184.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 20 AND 25.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

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

&&

LAT...LON 4074 8653 4070 8652 4070 8638 4069 8637
      4027 8677 4005 8712 4047 8741 4048 8739
      4048 8710 4057 8709 4057 8678 4066 8678
      4067 8676 4074 8675
TIME...MOT...LOC 1423Z 214DEG 45KT 4045 8708
WIND...HAIL 60MPH 1.00IN

$$

MRD/DT
3 follow-up statements
334 
WWUS53 KIND 251443
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1043 AM EDT WED MAY 25 2011

INC015-023-045-107-157-171-251515-
/O.CON.KIND.SV.W.0135.000000T0000Z-110525T1515Z/
CARROLL-CLINTON-FOUNTAIN-MONTGOMERY-TIPPECANOE-WARREN-
1043 AM EDT WED MAY 25 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
CLINTON...CARROLL...NORTHEASTERN FOUNTAIN...NORTHWESTERN
MONTGOMERY...TIPPECANOE AND NORTHEASTERN WARREN COUNTIES UNTIL 1115
AM EDT...

AT 1040 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 9 MILES NORTHWEST OF WEST
LAFAYETTE TO 13 MILES NORTHWEST OF CRAWFORDSVILLE...MOVING NORTHEAST
AT 50 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  PURDUE UNIVERSITY AND WEST LAFAYETTE AROUND 1050 AM EDT...
  LAFAYETTE AROUND 1055 AM EDT...
  DAYTON AND BATTLE GROUND AROUND 1100 AM EDT...
  DELPHI AND YEOMAN AROUND 1115 AM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

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

&&

LAT...LON 4074 8653 4070 8652 4070 8638 4069 8637
      4027 8677 4016 8696 4014 8710 4048 8718
      4048 8710 4057 8709 4057 8678 4066 8678
      4067 8676 4074 8675
TIME...MOT...LOC 1444Z 214DEG 45KT 4056 8701 4025 8697
WIND...HAIL 60MPH 1.00IN

$$

MRD/DT
674 
WWUS53 KIND 251504
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1104 AM EDT WED MAY 25 2011

INC045-107-171-251514-
/O.CAN.KIND.SV.W.0135.000000T0000Z-110525T1515Z/
FOUNTAIN-MONTGOMERY-WARREN-
1104 AM EDT WED MAY 25 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FOUNTAIN...
NORTHWESTERN MONTGOMERY AND NORTHEASTERN WARREN COUNTIES IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA.

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

LAT...LON 4074 8653 4070 8652 4070 8638 4069 8637
      4027 8677 4024 8685 4056 8697 4057 8678
      4066 8678 4067 8676 4074 8675
TIME...MOT...LOC 1504Z 236DEG 42KT 4056 8672 4035 8669

$$

INC015-023-157-251515-
/O.CON.KIND.SV.W.0135.000000T0000Z-110525T1515Z/
CARROLL-CLINTON-TIPPECANOE-
1104 AM EDT WED MAY 25 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
CLINTON...CARROLL AND EASTERN TIPPECANOE COUNTIES UNTIL 1115 AM
EDT...

AT 1100 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 6 MILES SOUTHWEST OF DELPHI TO 9
MILES SOUTHEAST OF LAFAYETTE...MOVING NORTHEAST AT 50 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  YEOMAN AND DELPHI AROUND 1110 AM EDT...
  CAMDEN AND FLORA AROUND 1115 AM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

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

&&

LAT...LON 4074 8653 4070 8652 4070 8638 4069 8637
      4027 8677 4024 8685 4056 8697 4057 8678
      4066 8678 4067 8676 4074 8675
TIME...MOT...LOC 1504Z 236DEG 42KT 4056 8672 4035 8669
WIND...HAIL 60MPH 1.00IN

$$

MRD/DT
147 
WWUS53 KIND 251513
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1113 AM EDT WED MAY 25 2011

INC015-023-157-251523-
/O.EXP.KIND.SV.W.0135.000000T0000Z-110525T1515Z/
CARROLL-CLINTON-TIPPECANOE-
1113 AM EDT WED MAY 25 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CLINTON...CARROLL
AND EASTERN TIPPECANOE COUNTIES HAS BEEN REISSUED...

PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 7 PM.

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

REMEMBER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT.

LAT...LON 4074 8653 4070 8652 4070 8638 4069 8637
      4027 8677 4024 8685 4056 8697 4057 8678
      4066 8678 4067 8676 4074 8675
TIME...MOT...LOC 1513Z 236DEG 42KT 4062 8660 4041 8657

$$

MRD/DT

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 25, 7:02 AM EDT, 3 hours 21 minutes earlier.

Area forecast discussion, May 25, 7:02 AM EDT, 3 hours 21 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
702 AM EDT WED MAY 25 2011

.UPDATE...
THE AVIATION SECTION HAS BEEN UPDATED BELOW

&&

.SYNOPSIS...
A POTENT STORM SYSTEM WILL IMPACT CENTRAL INDIANA TODAY AND
TONIGHT...AND THEN LINGER THROUGH THURSDAY. THIS SYSTEM HAS THE
POTENTIAL TO BRING WIDESPREAD SEVERE WEATHER TODAY AND THIS
EVENING. AS THE UPPER SYSTEM MOVES ACROSS ON THURSDAY...MAINLY
RAIN CAN BE EXPECTED. A WEAK SYSTEM WILL MOVE THROUGH ON SATURDAY
WITH ANOTHER CHANCE FOR RAIN...BUT THE REMAINDER OF MEMORIAL DAY
WEEKEND SHOULD BE DRY.

&&

.NEAR TERM /TODAY/...

FOCUS IS ON THUNDERSTORMS AND CHANCES FOR SEVERE WEATHER. MODELS
ARE SIMILAR FOR THE MOST PART...SO USED A BLEND.

LINE OF THUNDERSTORMS ACROSS IOWA DOWN THROUGH ARKANSAS AT THE
MOMENT WILL CONTINUE TO SWING NORTH AND EAST THIS MORNING. DIURNAL
TRENDS WOULD SUGGEST A WEAKENING OF THE LINE AS IT MOVES
EAST...AND THE HI RES RAPID REFRESH MODEL SUPPORTS THIS THINKING.
THUS FEEL CHANCES FOR SEVERE WEATHER WILL LOWER THIS MORNING...BUT
THEY WILL NOT BE NONEXISTANT.

WILL GO LIKELY POPS WEST AND CHANCE EAST EARLY THIS MORNING AS THE
LINE MOVES IN...THEN KEEP IT SIMPLE AND GO LIKELY POPS ALL AREAS
FOR THE REMAINDER OF THE DAY. MOST LIKELY WHAT WILL HAPPEN IS
FIRST LINE WILL WORK ITS WAY ACROSS THE AREA THIS MORNING PERHAPS
INTO EARLY AFTERNOON...THEN A LULL WITH SCATTERED CONVECT ON...THEN
A LINE OF THUNDERSTORMS LATE THIS AFTERNOON INTO THE EVENING.

THIS SCENARIO WOULD LEAD TO INSTABILITY BUILDING AGAIN THIS
AFTERNOON WITH PERHAPS SOME FILTERED SUNSHINE. SHEAR WILL INCREASE
THIS AFTERNOON...AND A MID-LEVEL JET WILL MOVE INTO THE AREA LATE
THIS AFTERNOON. SPC SREF MODEL SHOWS BEST INGREDIENTS FOR SEVERE
WEATHER WILL MOVE INTO OUR AREA LATER THIS AFTERNOON AND INTO THE
EVENING. THUS SPC/S MODERATE RISK LOOKS GOOD FOR LATER TODAY.

WITH THE HIGHEST THREAT OF SEVERE WEATHER THIS AFTERNOON...WILL
PUT SEVERE WORDING IN THEN.

MAV LOOKS REASONABLE FOR HIGHS TODAY GIVEN ALL OF THE ABOVE.

&&

.SHORT TERM /TONIGHT THROUGH THURSDAY NIGHT/...

FOCUS IS ON SEVERE WEATHER THIS EVENING AND THEN ON CHANCES FOR
RAIN THROUGH THURSDAY NIGHT.

12Z ECMWF LOOKS A BIT SLOW COMPARED TO ALL OTHER MODELS...SO WILL
TREND TOWARD MODEL CONSENSUS IN THE FASTER SOLUTION.

ALL OF THE INGREDIENTS NOTED IN THE NEAR TERM SECTION WILL
CONTINUE INTO THE EVENING WITH GOOD INSTABILITY AND SHEAR. EXPECT
A SQUALL LINE TO MOVE THROUGH THE AREA THROUGH THE EVENING. WILL
GO CATEGORICAL POPS ALL AREAS. THE SEVERE PARAMETERS WILL CONTINUE
TO SUPPORT DAMAGING WINDS...LARGE HAIL...AND TORNADOES.

THERE MAY BE A BREAK IN THE RAIN LATER TONIGHT BEFORE RAIN RETURNS
WITH THE UPPER LOW MOVING INTO THE AREA. WITH ALL THAT/S GOING
ON...WILL NOT GET CUTE WITH TIMING AND KEEP THE CATEGORICAL POPS
THROUGH THE NIGHT.

THE UPPER LOW WILL STILL HAVE MOISTURE TO WORK WITH AS IT MOVES
ACROSS THE AREA ON THURSDAY...SO CONTINUED WITH CATEGORICAL POPS.
INSTABILITY WILL BE MUCH LESS THAN TODAY...BUT THERE WILL STILL BE
ENOUGH TO MENTION THUNDER.

THE UPPER LOW WILL BEGIN TO MOVE EAST OF THE AREA THURSDAY NIGHT
SO LOWERED POPS MOST AREAS TO CHANCE CATEGORY.

GENERALLY WENT WITH A BLEND OF MOS FOR TEMPERATURES.

&&

.LONG TERM /FRIDAY THROUGH TUESDAY/...
MODELS...A BLEND BEING USED...ALL APPEAR TO DRY THINGS OUT FOR
FRIDAY. PERHAPS SOME POST SUNRISE SHOWERS STILL AROUND IN EASTERN
COUNTIES AS SYSTEM FINALLY LIFTS INTO NEW ENGLAND. UNDER
INFLUENCE OF COOLER AND DRIER HIGH PRESSURE...HIGH TEMPERATURES IN
THE UPPER 60S TO LOWER 70S APPEAR REASONABLE.

HAVE CONTINUED CURRENT FORECAST OF STORM THREAT SATURDAY AS
DEPICTED BY THE MODELS AS SHORTWAVE SWEEPS THROUGH WEST SOUTHWEST
FLOW ALOFT. THIS IS BEGINNING PROCESS OF DEEPENING TROF OVER
WESTERN US AND RIDGE BUILDING ACROSS EASTERN US WHICH RESULTS IN
VERY SUMMER LIKE PATTERN WHICH BEGINS ON SUNDAY. AGAIN WEAK SHORT
WAVES MOVES THROUGH SOUTHWEST FLOW WILL BE FIRING CLUSTERS OF
STORMS BUT RIDGING APPEARS STRONG ENOUGH THAT AFTER
SATURDAY...RAINS SHOULD SHIFT NORTH INTO THE GREAT LAKES. AS TIME
WEARS ON AND RIDGE BUILDS FURTHER...NORTHWEST FLOW STORMS COULD
BECOME AN ISSUE...BUT THATS BEYOND RANGE OF THIS FORECAST.

WITH BUILDING HEIGHTS...AND SURFACE FRONT PUSHING BACK NORTH ON
SATURDAY...THE ONE DAY RESPITE IN WARMTH AND HUMIDITY WILL BE
LIMITED TO FRIDAY. A BLEND OF DATA SOURCES RESULTS IN LOWS BACK IN
THE 60S AND HIGHS IN THE 80S FROM SUNDAY ONWARD. HINTS AT
TEMPERATURES NEAR 90 EARLY NEXT WEEK BUT FEEL VERY MOIST GROUND
SHOULD KEEP US IN UPPER 80S.

&&

.AVIATION.../DISCUSSION FOR 12Z TAFS/...

MAINLY VFR CONDITIONS EXPECTED THE FIRST PARTS OF THE TAF PERIOD.
BRIEF MVFR/IFR CONDITIONS WILL BE POSSIBLE WITH TSRA THIS
AFTERNOON AND EVENING. MVFR CEILINGS ARE EXPECTED TO RETURN EARLY
ON THURSDAY MORNING.

DEEP LOW PRESSURE OVER THE PLAINS IS EXPECTED TO PUSH TOWARD THE
OHIO VALLEY TODAY. THUNDERSTORMS ARE EXPECTED TO DEVELOP IN THE
WARM SECTOR THIS AFTERNOON AND EVENING AS MODELS DEPICT A 40 KNT
LLJ APPROACHING OVER THE WARM AND MOIST AIR MASS. PRECISE TIMING
IS NOT POSSIBLE AT THIS TIME THUS WILL PAINT A WINDOW OF VCTS
MAINLY DURING AFTER 20Z THROUGH ABOUT 03Z. LATER ISSUANCES SHOULD
HAVE A BETTER HANDLING ON TIMING...BUT FOR NOW THIS APPEARS TO BE
THE BEST WINDOW BASED UPON THE RAPID REFRESH...DAYTIME HEATING AND
MODEL SUGGESTED LLJ INTERACTION.

AS THE LOW REACHES CENTRAL INDIANA OVERNIGHT...EXTENSIVE MVFR
CEILINGS ARE EXPECTED TO RETURN. TIME HEIGHTS SHOW EXTENSIVE LOWER
LEVEL MOISTURE LINGERING.

&&

.IND WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

SYNOPSIS...50
NEAR TERM...50
SHORT TERM...50
LONG TERM....TUCEK/50
AVIATION...JP
Hazardous weather outlook, May 25, 10:03 AM EDT, 20 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1003 AM EDT WED MAY 25 2011

INZ021-028>031-035>049-051>057-060>065-068>072-261415-
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN-
JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-
DECATUR-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS-
1003 AM EDT WED MAY 25 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A MODERATE RISK FOR SEVERE STORMS ACROSS THE AREA TODAY
AND TONIGHT.

PRESENT INDICATIONS ARE THAT THE BEST CHANCES FOR SEVERE STORMS
WILL BE DURING THE AFTERNOON AND EVENING HOURS. THIS IS A
PARTICULARLY DANGEROUS SITUATION.THE PRIMARY THREATS WILL BE LARGE
HAIL AND DAMAGING WINDS. TORNADOES...SOME STRONG...WILL BE
POSSIBLE. OTHER THREATS INCLUDE LARGE HAIL...DAMAGING
WINDS...FREQUENT LIGHTNING AND HEAVY RAIN.

OUTSIDE OF STORMS...WINDS MAY STILL GUST TO AROUND 30 MPH THIS
AFTERNOON.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THUNDERSTORMS ARE POSSIBLE THURSDAY AND THURSDAY NIGHT...BUT THESE
STORMS ARE NOT EXPECTED TO BE SEVERE.

MORE STORMS ARE POSSIBLE LATE FRIDAY NIGHT AND SATURDAY. IT IS
TOO EARLY TO DETERMINE IF THESE MAY BE SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE NECESSARY TODAY INTO TONIGHT.

&&

MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND
CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL
LOWERCASE)

INZ067-261415-
KNOX-
1003 AM EDT WED MAY 25 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A HIGH RISK FOR SEVERE STORMS ACROSS THIS AREA TODAY AND
TONIGHT.

PRESENT INDICATIONS ARE THAT THE BEST CHANCES FOR SEVERE STORMS
WILL BE DURING THE AFTERNOON AND EVENING HOURS.  THIS IS A
PARTICULARLY DANGEROUS SITUATION. TORNADOES...SOME STRONG...WILL
BE POSSIBLE. OTHER THREATS INCLUDE LARGE HAIL...DAMAGING
WINDS...FREQUENT LIGHTNING AND HEAVY RAIN.

OUTSIDE OF STORMS...WINDS MAY STILL GUST TO AROUND 30 MPH THIS
AFTERNOON.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THUNDERSTORMS ARE POSSIBLE THURSDAY AND THURSDAY NIGHT...BUT THESE
STORMS ARE NOT EXPECTED TO BE SEVERE.

MORE STORMS ARE POSSIBLE LATE FRIDAY NIGHT AND SATURDAY. IT IS
TOO EARLY TO DETERMINE IF THESE MAY BE SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE NECESSARY TODAY INTO TONIGHT.

&&

MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND
CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL
LOWERCASE)

TDUD

In the hours before

Special weather statement, May 25, 6:22 AM EDT, 4 hours 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
622 AM EDT WED MAY 25 2011

INZ021-028>031-035>049-051>057-060>065-067>072-252000-
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN-
JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-
DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS...TERRE HAUTE...
SHELBYVILLE...BLOOMINGTON...COLUMBUS...VINCENNES...BEDFORD...
SEYMOUR
622 AM EDT WED MAY 25 2011

...SEVERE WEATHER SAFETY INFORMATION...

SEVERE WEATHER IS EXPECTED IN CENTRAL INDIANA TODAY. TAKE THIS
OPPORTUNITY TO PRACTICE YOUR SAFETY PLAN AT WORK AND IN THE HOME.

A SEVERE THUNDERSTORM OR TORNADO WATCH MEANS THAT CONDITIONS ARE
FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS OR TORNADOES.
BE AWARE OF YOUR ENVIRONMENT...AND STAY TUNED TO NOAA WEATHER
RADIO...OR YOUR FAVORITE LOCAL MEDIA OUTLET...FOR POSSIBLE
WATCHES...WARNINGS OR STATEMENTS.

A SEVERE THUNDERSTORM OR TORNADO WARNING...USUALLY ISSUED FOR
PORTIONS OF ONE OR MORE COUNTIES AT A TIME...MEANS THAT SEVERE
WEATHER OR A TORNADO IS IMMINENT OR OCCURRING. THOSE IN THE PATH OF
THE STORM MUST SEEK SHELTER IMMEDIATELY IN A STURDY STRUCTURE...AWAY
FROM WINDOWS...AND BELOW GROUND IF POSSIBLE.

IT IS IMPORTANT TO REMEMBER THAT SEVERE THUNDERSTORMS CAN AND
OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. IF YOU HEAR OR SEE A TORNADO...OR IF YOU FEEL
THREATENED...MOVE IMMEDIATELY TO SHELTER. SECONDS CAN SAVE YOUR
LIFE.

KNOW WHAT TO DO WHEN A TORNADO THREATENS. FOLLOW THESE SIMPLE
SAFETY RULES.

IN A HOME OR SMALL BUILDING...GO TO THE BASEMENT OR TO AN INTERIOR
ROOM...SUCH AS A CLOSET OR BATHROOM...ON THE LOWEST FLOOR POSSIBLE.
GET UNDER A STURDY TABLE OR BED...OR CROUCH LOW AND COVER YOUR HEAD
WITH YOUR HANDS.

IN MOBILE HOMES OR VEHICLES...ABANDON THEM AND GO TO A STURDY
STRUCTURE. IF THERE IS NO SUCH SHELTER NEARBY...LIE FLAT IN A
DITCH...RAVINE...CULVERT...OR OTHER LOW SPOT...AND SHIELD YOUR HEAD
WITH YOUR HANDS. NEVER TAKE SHELTER UNDER A HIGHWAY OVERPASS.
OVERPASSES CREATE A DEADLY WIND TUNNEL EFFECT...WHICH WILL PULL YOU
OUT FROM UNDER THE BRIDGE.

IN LARGE BUILDINGS SUCH AS SCHOOLS...FACTORIES...HOSPITALS...
NURSING HOMES...AND SHOPPING CENTERS...GO TO THE PREDESIGNATED
SHELTER AREA. INTERIOR HALLWAYS ON THE LOWEST FLOOR OFFER THE MOST
PROTECTION. AVOID AREAS WITH LARGE SPAN ROOFS...AS THESE ROOFS ARE
WEAK AND PRONE TO FAILURE.

IN HIGH RISE BUILDINGS...GO TO A SMALL INTERIOR ROOM OR HALLWAY...
AWAY FROM WINDOWS.

STAY AWAY FROM WINDOWS...DO NOT OPEN OR CLOSE THEM. IT WILL NOT
INCREASE OR DECREASE THE AMOUNT OF STRUCTURAL DAMAGE...AND YOU WILL
WASTE VALUABLE TIME AND PUT YOUR LIFE AT RISK FROM FLYING DEBRIS.
REMEMBER...FLYING DEBRIS IS THE MOST DANGEROUS HAZARD FROM
TORNADOES.

SEVERE THUNDERSTORMS CAN ALSO CAUSE CONSIDERABLE DAMAGE FROM HAIL OR
WIND...AND CAN BE DEADLY. IF A SEVERE THUNDERSTORM WARNING IS
ISSUED...MOVE TO A PLACE OF SAFETY...JUST AS YOU WOULD DURING A
TORNADO WARNING. HAVE A WEATHER RADIO...RADIO...OR TELEVISION NEARBY
TO STAY ALERT OF ANY CHANGES TO THE WEATHER SITUATION.

FOR MORE SAFETY...FORECAST...AND WARNING INFORMATION...VISIT OUR
WEBSITE...AT HTTP://WEATHER.GOV/INDY.
Special weather statement, May 25, 9:16 AM EDT, 1 hour 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
916 AM EDT WED MAY 25 2011

INZ038-039-251400-
HAMILTON-TIPTON-
916 AM EDT WED MAY 25 2011

...STRONG THUNDERSTORM ADVISORY FOR NORTHWESTERN HAMILTON AND
SOUTHWESTERN TIPTON COUNTIES UNTIL 1000 AM EDT...

AT 913 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 11 MILES NORTHWEST OF NOBLESVILLE...OR 19 MILES
SOUTHEAST OF FRANKFORT...MOVING NORTHEAST AT 45 MPH.

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM.

THIS STORM WILL BE NEAR...
ATLANTA AROUND 925 AM EDT...
TIPTON AROUND 930 AM EDT...

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 4027 8590 4008 8612 4012 8624 4030 8624
      4040 8618
TIME...MOT...LOC 1316Z 213DEG 37KT 4019 8615

77/TDUD
Special weather statement, May 25, 9:29 AM EDT, 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
929 AM EDT WED MAY 25 2011

INZ031-038>040-251400-
HAMILTON-HOWARD-MADISON-TIPTON-
929 AM EDT WED MAY 25 2011

...STRONG THUNDERSTORM ADVISORY FOR NORTHERN HAMILTON...EASTERN
HOWARD...NORTHWESTERN MADISON AND TIPTON COUNTIES UNTIL 1000 AM
EDT...

AT 925 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES SOUTH OF
KOKOMO TO TIPTON TO 8 MILES SOUTHEAST OF TIPTON...AND MOVING
NORTHEAST AT 45 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN.

THESE STORMS WILL BE NEAR...
KOKOMO...WINDFALL AND ELWOOD AROUND 935 AM EDT...
GREENTOWN AROUND 940 AM EDT...

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

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 4054 8586 4053 8586 4038 8586 4038 8568
      4037 8567 4013 8601 4026 8610 4038 8625
      4057 8608 4057 8586
TIME...MOT...LOC 1329Z 214DEG 39KT 4043 8614 4035 8601
          4022 8594

MRD/DT
Local storm report, May 25, 10:17 AM EDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1017 AM EDT WED MAY 25 2011

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

1008 AM     TSTM WND GST     7 W WEST LEBANON        40.27N 87.52W
05/25/2011  E60 MPH          WARREN             IN   EMERGENCY MNGR

            ESTIMATED WINDS OF 50 TO 60 MPH AND HAD PEA SIZE HAIL.

&&

ABAKER

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 8:35 PM EDTSpecial Weather StatementINDDelaware40 min
May 24, 9:55 PM EDTSpecial Weather StatementINDCarroll, Tippecanoe50 min
May 24, 10:47 PM EDTSevere Thunderstorm WarningINDCarroll, Clinton, Tippecanoe43 min
May 24, 11:30 PM EDTSevere Thunderstorm WarningINDCarroll, Tippecanoe30 min
May 25, 9:16 AM EDTSpecial Weather StatementINDTipton44 min
May 25, 9:29 AM EDTSpecial Weather StatementINDHoward, Tipton31 min
May 25, 9:45 AM EDTSevere Thunderstorm WarningINDFountain, Montgomery, Parke, Tippecanoe, Vermillion, Warren45 min
May 25, 11:12 AM EDTSevere Thunderstorm WarningINDCarroll, Clinton, Howard, Tippecanoe33 min
May 25, 12:07 PM EDTRiver Flood WarningINDCarroll, Tippecanoe, White35 hr
May 25, 12:07 PM EDTRiver Flood WarningINDFountain, Parke, Vermillion, Warren15 days
May 25, 12:07 PM EDTRiver Flood WarningINDParke, Vermillion, Vigo16 days
May 25, 12:07 PM EDTRiver Flood WarningINDParke, Vermillion, Vigo13 days
May 25, 12:07 PM EDTRiver Flood WarningINDSullivan, Vigo19 days
May 25, 12:07 PM EDTRiver Flood WarningINDKnox, Sullivan35 days
May 25, 12:07 PM EDTRiver Flood WarningINDKnox, Sullivan35 days
May 25, 12:07 PM EDTRiver Flood WarningINDKnox17 days
May 25, 12:07 PM EDTRiver Flood WarningINDGibson, Knox, Posey12 days
May 25, 12:49 PM EDTSevere Thunderstorm WarningINDCarroll, Clinton, Howard26 min
May 25, 1:14 PM EDTSevere Thunderstorm WarningINDDaviess, Knox15 min
May 25, 1:36 PM EDTSevere Thunderstorm WarningINDClinton, Howard, Tipton39 min
May 25, 1:38 PM EDTSevere Thunderstorm WarningINDFountain, Tippecanoe, Vermillion, Warren52 min
May 25, 1:51 PM EDTSevere Thunderstorm WarningINDCarroll, Clinton, Fountain, Montgomery, Tippecanoe, Warren54 min
May 25, 2:12 PM EDTSevere Thunderstorm WarningINDJohnson, Marion, Morgan48 min
May 25, 2:15 PM EDTSevere Thunderstorm WarningINDDaviess, Greene, Lawrence, Martin45 min
May 25, 2:15 PM EDTTornado WarningINDCarroll, Tippecanoe15 min
May 25, 2:24 PM EDTSevere Thunderstorm WarningINDCarroll, Clinton, Howard, Tippecanoe66 min
May 25, 2:27 PM EDTSevere Thunderstorm WarningINDDaviess, Knox, Sullivan48 min
May 25, 2:27 PM EDTTornado WarningINDCarroll, Howard33 min
May 25, 2:29 PM EDTTornado WarningINDClinton, Howard, Tipton31 min
May 25, 2:35 PM EDTSevere Thunderstorm WarningINDHancock, Johnson, Marion, Shelby40 min
May 25, 2:37 PM EDTTornado WarningINDCarroll, Clinton, Howard23 min
May 25, 2:58 PM EDTSevere Thunderstorm WarningINDDaviess, Greene, Knox, Martin47 min
May 25, 2:59 PM EDTSevere Thunderstorm WarningINDCarroll, Clinton, Howard16 min
May 25, 3:02 PM EDTTornado WarningINDDaviess, Knox, Martin28 min
May 25, 3:10 PM EDTTornado WarningINDClinton, Hamilton, Howard, Madison, Tipton35 min
May 25, 3:14 PM EDTSevere Thunderstorm WarningINDBartholomew, Jackson, Jennings46 min
May 25, 3:26 PM EDTFlash Flood WarningINDDaviess, Greene, Knox, Martin3 hr
May 25, 3:26 PM EDTSevere Thunderstorm WarningINDDaviess, Greene, Lawrence, Martin, Monroe, Owen49 min
May 25, 3:45 PM EDTFlash Flood WarningINDCarroll, Clinton, Howard, Tippecanoe6 hr
May 25, 3:47 PM EDTSevere Thunderstorm WarningINDFountain, Montgomery, Parke, Tippecanoe, Vermillion, Warren43 min
May 25, 3:49 PM EDTSevere Thunderstorm WarningINDBartholomew, Brown, Jackson, Jennings, Johnson, Lawrence and 3 more56 min
May 25, 4:25 PM EDTSevere Thunderstorm WarningINDFountain, Montgomery, Parke, Putnam, Vermillion, Vigo50 min
May 25, 4:33 PM EDTFlash Flood WatchINDBartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more9 hr
May 25, 4:41 PM EDTTornado WarningINDBartholomew, Decatur49 min
May 25, 4:43 PM EDTFlash Flood WarningINDFountain, Montgomery, Parke, Tippecanoe, Vermillion6 hr
May 25, 4:48 PM EDTSevere Thunderstorm WarningINDBartholomew, Decatur, Rush, Shelby42 min
May 25, 5:25 PM EDTSevere Thunderstorm WarningINDDelaware, Madison20 min
May 25, 5:26 PM EDTTornado WarningINDDecatur, Rush19 min
May 25, 5:31 PM EDTSevere Thunderstorm WarningINDGreene, Monroe, Morgan, Owen, Putnam44 min
May 25, 5:46 PM EDTTornado WarningINDGreene, Monroe, Owen44 min
May 25, 5:49 PM EDTSevere Thunderstorm WarningINDDecatur, Rush41 min
May 25, 6:03 PM EDTTornado WarningINDClay, Greene, Knox, Sullivan42 min
May 25, 6:04 PM EDTSevere Thunderstorm WarningINDFountain, Parke, Vermillion, Vigo41 min
May 25, 6:10 PM EDTSevere Thunderstorm WarningINDDelaware, Randolph25 min
May 25, 6:11 PM EDTSevere Thunderstorm WarningINDHendricks, Morgan, Owen, Putnam38 min
May 25, 6:23 PM EDTTornado WarningINDFountain, Parke, Vermillion, Vigo52 min
May 25, 6:24 PM EDTFlash Flood WarningINDDaviess, Greene, Knox, Martin3 hr
May 25, 6:25 PM EDTTornado WarningINDJohnson, Monroe, Morgan50 min
May 25, 6:41 PM EDTSevere Thunderstorm WarningINDBartholomew, Brown, Johnson49 min
May 25, 6:42 PM EDTSevere Thunderstorm WarningINDGreene, Monroe, Owen33 min
May 25, 6:44 PM EDTTornado WarningINDBrown, Johnson, Morgan46 min
May 25, 6:52 PM EDTSevere Thunderstorm WarningINDBoone, Clinton, Hendricks, Montgomery, Putnam38 min
May 25, 6:57 PM EDTSevere Thunderstorm WarningINDDaviess, Lawrence, Martin48 min
May 25, 6:59 PM EDTSevere Thunderstorm WarningINDClay, Owen, Parke, Putnam31 min
May 25, 7:06 PM EDTTornado WarningINDHancock, Johnson, Marion, Shelby39 min
May 25, 7:07 PM EDTTornado WarningINDGreene, Hendricks, Monroe, Morgan, Owen38 min
May 25, 7:11 PM EDTTornado WarningINDDaviess, Greene, Lawrence, Martin, Monroe49 min
May 25, 7:16 PM EDTTornado WarningINDBoone, Clay, Hendricks, Montgomery, Parke, Putnam29 min
May 25, 7:30 PM EDTSevere Thunderstorm WarningINDHamilton, Howard, Madison, Tipton30 min
May 25, 7:32 PM EDTTornado WarningINDBartholomew, Johnson, Shelby43 min
May 25, 7:39 PM EDTSevere Thunderstorm WarningINDClinton, Fountain, Montgomery, Tippecanoe51 min
May 25, 7:43 PM EDTTornado WarningINDBrown, Johnson, Monroe, Morgan32 min
May 25, 7:49 PM EDTSevere Thunderstorm WarningINDJohnson, Marion, Morgan30 min
May 25, 7:50 PM EDTSevere Thunderstorm WarningINDDelaware, Hancock, Henry, Madison, Rush40 min
May 25, 7:54 PM EDTTornado WarningINDBrown, Jackson, Lawrence51 min
May 25, 7:57 PM EDTTornado WarningINDHancock, Henry, Rush, Shelby48 min
May 25, 7:59 PM EDTSevere Thunderstorm WarningINDBoone, Clinton, Hamilton, Howard, Tipton27 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2011Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.