Alert archive / Indiana / Special Weather Statements in 2016

Special Weather Statement, NWS Indianapolis, IN

July 21, 2016Randolph County, Indiana

NWS Indianapolis, IN issued this special weather statement at Jul 21, 2016, 5:47 PM EDT for Randolph County, Indiana. It was in force for 58 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
Jul 21, 2016, 5:47 PM EDT (21:47 UTC)
Expired
Jul 21, 2016, 6:45 PM EDT
In force
58 min
Issued by
NWS Indianapolis, IN

County Randolph County, IN

The radar

The Indianapolis radar (KIND), 114 km from the middle of the area, began a volume at 21:51 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.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.8 hours before the alert went out and 141 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 2016-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 56 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 2016-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.193958Sfc1 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
56 J/kg
Mixed-layer CIN
-225 J/kg
Mixed-layer LCL
1434 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 21, 4:26 PM EDT, 1 hour 21 minutes earlier.

Area forecast discussion, Jul 21, 4:26 PM EDT, 1 hour 21 minutes before
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Hazardous weather outlook, Jul 21, 4:09 PM EDT, 1 hour 38 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
409 PM EDT THU JUL 21 2016

INZ021-028>031-035>049-051>057-060>065-067>072-221000-
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
409 PM EDT THU JUL 21 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TONIGHT.

OUTLOOK: CHANCE OF THUNDERSTORMS...ESPECIALLY NORTH AND EAST OF A
LAFAYETTE TO TIPTON TO WINCHESTER LINE.

HAZARDS: LIGHTNING. HEAVY RAIN. GUSTY WINDS. HEAT INDICES PEAKING
FROM 98 TO 105.

TIMING: A LINE OF STORMS WILL IMPACT NORTHEASTERN PARTS OF THE
AREA BETWEEN 4 AND 8 PM THIS EVENING. ADDITIONAL THUNDERSTORMS MAY
ARRIVE IN THE PREDAWN HOURS FRIDAY FROM THE NORTHWEST.

MAX HEAT INDICES IN THE LOW 100S WILL CONTINUE THROUGH EARLY
EVENING.

DISCUSSION: UPPER LEVEL WAVES TRACKING ON THE PERIPHERY OF THE
HEAT RIDGE WILL PRODUCE PERIODIC STORM CLUSTERS THIS EVENING AND
OVERNIGHT. THE SOUTHERN EDGE OF THESE STORMS MAY MAKE IT INTO THE
NORTHERN FORECAST AREA.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

OUTLOOK: BOTH VERY HOT AND HUMID WEATHER AND A CHANCE OF
THUNDERSTORMS THROUGH THE WEEKEND. MAX HEAT INDICES FROM 100 TO
110 DEGREES ARE EXPECTED DURING PEAK HEATING FRIDAY THROUGH
SUNDAY. MILDER TEMPERATURES BEGINNING MONDAY WITH DRY WEATHER
STARTING MONDAY NIGHT.

DISCUSSION: EXTREMELY WARM AND HUMID AIR FROM THE GULF OF MEXICO
WILL STAY WITH INDIANA THROUGH THE WEEKEND. PERIODIC THREATS FOR
STORMS WILL CONTINUE UNTIL A FRONT PASSES MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME...BUT ANY
RAINFALL...WIND OR IMPACT REPORTS FROM STORMS THROUGH MONDAY WOULD
BE APPRECIATED.

&&

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

RYAN

In the hours before

Special weather statement, Jul 21, 5:47 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
547 PM EDT THU JUL 21 2016

INZ041-042-212245-
RANDOLPH IN-DELAWARE IN-
547 PM EDT THU JUL 21 2016

...SIGNIFICANT WEATHER ADVISORY FOR RANDOLPH AND NORTHEASTERN
DELAWARE COUNTIES UNTIL 645 PM EDT...

AT 545 PM EDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS
ALONG A LINE EXTENDING FROM 9 MILES NORTHWEST OF COLDWATER OHIO TO
NEAR MATTHEWS. MOVEMENT WAS SOUTHEAST AT 35 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
WINCHESTER...UNION CITY...ALBANY...EATON...PARKER CITY...FARMLAND...
LYNN...SELMA...RIDGEVILLE...SARATOGA AND MODOC.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH
FLOODED ROADWAYS.

FREQUENT AND DANGEROUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH
THESE STORMS. LIGHTNING CAN STRIKE 10 MILES AWAY FROM A
THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE.

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 4001 8514 4038 8544 4038 8522 4031 8522
      4031 8480 4001 8481
TIME...MOT...LOC 2145Z 306DEG 32KT 4056 8478 4039 8543

RYAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 6:21 PM EDTSpecial Weather StatementINDRush39 min
Jul 21, 6:53 PM EDTSpecial Weather StatementINDShelby37 min

Nearby

Special Weather Statements in Indiana, 2016Every special weather statement in 2016

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.