Alert archive / Montana / High Wind Watches in 2011

High Wind Watch 7, NWS Billings, MT

May 15, 2011Carter County, Fallon County, Montana

NWS Billings, MT issued this high wind watch at May 15, 2011, 2:57 PM MDT for Carter County, Fallon County, Montana. It took effect at May 16, 2011, 6:00 AM MDT. It was in force for .

The area

The counties it named.

The facts

Issued
May 15, 2011, 2:57 PM MDT (20:57 UTC)
In effect from
May 16, 2011, 6:00 AM MDT
Expired
May 16, 2011, 3:43 AM MDT
In force
Issued by
NWS Billings, MT

Counties Carter County, MT, Fallon County, MT

The radar

The Rapid City radar (KUDX), 238 km from the middle of the area, began a volume at 21:03 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

Bismarck Municip, ND (KBIS), launched 12:00Z, 9.0 hours before the alert went out and 305 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, Bismarck Municip, ND at 12:00Z on 2011-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Bismarck Municip, ND at 12:00Z on 2011-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1893 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this high wind watch 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 high wind watch went out at May 15, 2:38 PM MDT, 19 minutes earlier.

Area forecast discussion, May 15, 2:38 PM MDT, 19 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, May 15, 2:43 PM MDT, 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
243 PM MDT SUN MAY 15 2011

MTZ028>042-056>058-063>068-WYZ098-099-162045-
SOUTHERN WHEATLAND-MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-CUSTER-
FALLON-NORTHERN STILLWATER-YELLOWSTONE-POWDER RIVER-CARTER-
SOUTHERN BIG HORN-EASTERN CARBON-NORTHERN PARK-
NORTHERN SWEET GRASS-GOLDEN VALLEY-RED LODGE FOOTHILLS-
NORTHERN BIG HORN-SOUTHERN ROSEBUD-JUDITH GAP-PARADISE VALLEY-
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-ABSAROKA/BEARTOOTH MOUNTAINS-
CRAZY MOUNTAINS-NORTHEAST BIG HORN MOUNTAINS-SHERIDAN FOOTHILLS-
243 PM MDT SUN MAY 15 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...SOUTH CENTRAL MONTANA...SOUTHEAST MONTANA AND NORTH
CENTRAL WYOMING.

.DAY ONE...TONIGHT

FLOODING ON BILLMAN CREEK AND TRAIL CREEK WEST AND SOUTH OF
LIVINGSTON DUE TO SNOW MELT WILL CONTINUE TONIGHT.

EAST TO SOUTHEAST WINDS WILL RANGE FROM 20 TO 35 MPH WITH GUSTS
TO 45 MPH IN THE LIVINGSTON AND SHERIDAN AREA THROUGH EARLY THIS
EVENING. THESE WINDS WILL DECREASE AFTER SUNSET.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

FLOODING WILL CONTINUE ON BILLMAN CREEK AND TRAIL CREEK WEST AND
SOUTH OF LIVINGSTON THROUGH AT LEAST TUESDAY BUT MAY CONTINUE
LONGER DUE TO MILD TEMPERATURES AND AN INCREASING CHANCE OF
PRECIPITATION.

STRONG EAST TO SOUTHEAST WINDS WILL CONTINUE MONDAY OVER FALLON
AND CARTER COUNTIES. WIND SPEEDS OF 35 TO 45 MPH WITH GUSTS TO 55
MPH.

THE CHANCE OF SHOWERS AND THUNDERSTORMS WILL INCREASE NEXT WEEK
AS A STORM SYSTEM MOVES THROUGH THE ROCKIES. THERE IS A
POSSIBILITY OF LOCALLY HEAVY RAIN WEDNESDAY THROUGH FRIDAY.
ADDITIONAL RAIN WOULD CAUSE AREA RIVER LEVELS TO INCREASE ONCE
AGAIN.

PEOPLE LIVING ALONG AND NEAR RIVERS AND STREAMS ARE ENCOURAGED TO
MONITOR THE LATEST FORECASTS AND BE PREPARED FOR THE POSSIBILITY
OF RISING WATER LEVELS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

Nearby

High Wind Watches in Montana, 2011Every high wind watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.