Alert archive / Montana / Tornado Warnings in 1996

Tornado Warning 2, NWS Billings, MT

May 16, 1996Carter County, Montana

NWS Billings, MT issued this tornado warning at May 16, 1996, 7:26 PM MDT for Carter County, Montana. It was in force for 49 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
May 16, 1996, 7:26 PM MDT (01:26 UTC)
Expired
May 16, 1996, 8:15 PM MDT
In force
49 min
Issued by
NWS Billings, MT
Area
Whole counties

County Carter County, MT

The radar

The Rapid City radar (KUDX), 205 km from the middle of the area, began a volume at 01:29 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

Rapid City, SD (KUNR), launched 00:00Z, 1.4 hours before the alert went out and 207 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, Rapid City, SD at 00:00Z on 1996-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2043 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, Rapid City, SD at 00:00Z on 1996-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
2043 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
2215 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.7

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Billings, MT wrote its last area forecast discussion before this tornado warning went out at May 16, 1:51 PM MDT, 5 hours 35 minutes earlier.

Area forecast discussion, May 16, 1:51 PM MDT, 5 hours 35 minutes before
SHOWERS AND THUNDERSTORMS DEVELOPING IN SOUTHEAST IDAHO INTO SOUTHWEST
MONTANA AS A FAIRLY STRONG SHORTWAVE MOVES TOWARDS SOUTHWEST MONTANA.
ANOTHER WEAK SHORTWAVE IS IN NORTH-CENTRAL WYOMING, MOVING NORTH INTO
SOUTHERN MONTANA.  WITH PARTLY CLOUDY SKIES NOW OVER SOUTH-CENTRAL AND
SOUTHEAST MONTANA, TEMPERATURES ARE HEATING UP, INCREASING THE
INSTABILITY.  THUNDERSTORMS ARE FIRING IN THE WATCH AREA IN SOUTHEAST
IDAHO, AND THIS ACTIVITY SHOULD MOVE INTO SOUTH-CENTRAL MONTANA THIS
AFTERNOON.  MODIFYING GREAT FALLS SOUNDING ON SHARP GIVES AN LI OF -6
AND CAPE OF 2000, USING CURRENT CONDITIONS, SO SOME STRONG TO SEVERE
THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON.

MODELS BRING SHORTWAVE THROUGH EARLY THIS EVENING IN SOUTHERN MONTANA,
WITH DRYING AND SUBSIDENCE BEHIND IT FOR TONIGHT AND TOMORROW.
TOMORROW NIGHT A LOW DEVELOPS IN SOUTHERN CANADA WHICH WILL INCREASE
SOUTHWEST WINDS AND KEEP PRECIPITATION CHANCES LOW, ALTHOUGH SOME
SCATTERED SHOWERS ARE POSSIBLE FRIDAY AFTERNOON WITH DAYTIME HEATING
AND WEAK SHORTWAVES MOVING OVER SOUTHERN MONTANA.  WILL GO A LITTLE
BELOW MOS FOR HIGHS TOMORROW, BUT WILL KEEP CLOSE TO POPS, EXCEPT I
WILL RAISE POPS FOR TONIGHT.  VAN AUSDALL

BIL 7312 051/070/048/070      MLS 7312 056/075/054/074
LVM 7312 049/066/047/066      4BQ 7312 055/076/053/074
HDN 7312 050/071/048/071      BKR 7312 055/076/053/074

In the hours before

Special weather statement, May 16, 5:26 PM MDT, 2 hours before
MTZ007-009-WYZ051-170030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BILLINGS MT
525 PM MDT THU MAY 16 1996

...A STRONG THUNDERSTORMS WERE DEVELOPING OVER SOUTHEAST OF
BILLINGS...

AT 520 PM MDT...BILLINGS DOPPLER RADAR INDICATED A STRONG THUNDERSTORM
DEVELOPING 15 MILES WEST/SOUTHWEST OF BIRNEY. MOVEMENT WAS NORTHEAST AT
40 MPH. THIS STORM WILL MOVE OVER SOUTHERN ROSEBUD COUNTY AND AFFECT THE
TOWNS OF BIRNEY AND LAME DEER THROUGH 615 PM. SMALL HAIL...GUSTY WINDS
AND HEAVY RAIN ARE ALL POSSIBLE WITH THIS STORM.

ANOTHER STRONG STORM WAS MOVING INTO SOUTHEASTERN SHERIDAN COUNTY
WYOMING. THIS STORM WILL MOVE INTO KENDRIC AND ARVADA THROUGH 600 PM.

PEOPLE IN THESE AREAS SHOUL`D BE PREPARED TO TAKE SHELTER IF THREATENING
AREA DEVELOPS.

HUMPHREY
Special weather statement, May 16, 6:23 PM MDT, 1 hour 3 minutes before
MTZ009-170130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BILLINGS MT
623 PM MDT THU MAY 16 1996

...STRONG THUNDERSTORMS WERE OVER SOUTHEAST MONTANA...

AT 617 PM MDT RADAR INDICATED STRONG THUNDERSTORMS OVER POWDER RIVER
COUNTY. THE STRONGEST STORMS WERE 35 MILES WEST OF BROADUS AND 20 MILES
SOUTHWEST OF BROADUS. MOVEMENT WAS NORTHEAST AT 40 MPH. HAIL UP TO 1/2"
IN DIAMETER...ALONG WITH GUSTY WINDS AND VERY HEAVY RAIN ARE ALL
POSSIBLE WITH THESE STORMS. THESE STORMS WILL MOVE THROUGH BROADUS AND
COALWOOD THROUGH 715 PM MDT.

OTHER THUNDERSTORMS WERE MOVING NORTHEAST FROM CAMPBELL COUNTY WYOMING.
THESE STORMS WILL ENTER BELLE CREEK AND RIDGE MONTANA BY 715 PM MDT. HAI1/2" IN DIAMETER...GUSTY WINDS AND VERY HEAVY RAIN ARE POSSIBLE WITH
THESE STORMS AS WELL.

A TORNADO WATCH IS IN EFFECT FOR SOUTHEAST MONTANA THROUGH MIDNIGHT. IF
THREATENING WEATHER APPROACHES...TAKE SHELTER. STAY TUNED FOR FURTHER
STATEMENTS AND POSSIbBLE WARNINGS.

HUMPHREY
Special weather statement, May 16, 7:00 PM MDT, 26 minutes before
MTZ009-170200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BILLINGS MT
659 PM MDT THU MAY 16 1996

...STRONG THUNDERSTORM ENTERING NORTHERN CARTER COUNTY...

AT 655 PM MDT...RADAR INDICATED A STRONG THUNDERSTORM 5 MILES NORTHEAST
OF BROADUS. MOVEMENT WAS NORTHEAST AT 40 MPH. THIS STORM WILL MOVE INTO
EKALAKA BY 740 PM MDT.

ANOTHER STRONG THUNDERSTORM WAS 15 MILES SOUTHWEST OF ALZADA. MOVEMENT
WAS NORTHEAST AT 35 MPH. THIS STORM WILL MOVE INTO ALZADA BY 730 PM.

HAIL 1/2" IN DIAMETER...GUSTY WINDS AND VERY HEAVY RAIN ARE POSSIBLE WITTHSESE STORMS.

SOUTHEAST MONTANA REMAINS IN A TORNADO WATCH TILL MIDNIGHT. STAY TUNED
FOR FURTHER STATMENTS OR POSSIBLE WARNINGS.

HUMPHREY

The office that day

Everything else NWS Billings, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 16, 7:24 PM MDTTornado WarningBYZCarter51 min
May 16, 7:28 PM MDTTornado WarningBYZCarter47 min

Nearby

Tornado Warnings in Montana, 1996Every tornado warning in 1996Tornadoes in 1996

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.