Alert archive / Idaho / Special Weather Statements in 2014

Special Weather Statement, NWS Pocatello, ID

August 5, 2014Butte County, Clark County, Idaho

NWS Pocatello, ID issued this special weather statement at Aug 5, 2014, 4:44 PM MDT for Butte County, Clark County, Idaho. It was in force for 61 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: Aug 5, 2014, 4:44 PM MDT (22:44 UTC)
Expired: Aug 5, 2014, 5:45 PM MDT
In force: 61 min
Issued by: NWS Pocatello, ID

Counties Butte County, ID, Clark County, ID

The radar

The Pocatello radar (KSFX), 91 km from the middle of the area, began a volume at 22:47 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

Boise Airport, ID (KBOI), launched 12:00Z, 10.7 hours before the alert went out and 281 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: 105 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 1570 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 103 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.

<!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>

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 Pocatello, ID wrote its last area forecast discussion before this special weather statement went out at Aug 5, 1:27 PM MDT, 3 hours 17 minutes earlier.

Area forecast discussion, Aug 5, 1:27 PM MDT, 3 hours 17 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
127 PM MDT TUE AUG 5 2014

.DISCUSSION...EXTREMELY MOIST AIR MASS REMAINS OVER THE REGION
THIS AFTERNOON. A DEFORMATION ZONE HAS SET UP OVER THE AREA WHICH
IS HELPING TO AID THE DEVELOPMENT OF SLOW MOVING THUNDERSTORMS
CAPABLE OF PRODUCING HEAVY DOWNPOURS. FURTHERMORE A MESOLOW OVER
THE MAGIC VALLEY IS HELPING TO ENHANCE DEVELOPMENT OF THESE
STORMS. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE COMMON
THIS AFTERNOON AND EVENING. THEREFORE A FLASH FLOOD WATCH IS IN
EFFECT FOR THE MOUNTAINS AND HIGHLANDS. LITTLE CHANGE IS EXPECTED
OVER THE NEXT FEW DAYS. A BROAD LOW PRESSURE SYSTEM OVER NEVADA
WILL GRADUALLY WORK THROUGH THE REGION ON WEDNESDAY AND THURSDAY.
THIS WILL MEAN A REPEAT OF CONDITIONS FOR BOTH DAYS. EXPECT THE
GREATEST THREATS TO BE IN THE AFTERNOON AND EVENINGS. BY FRIDAY
THE LOW PRESSURE SYSTEM WILL MOVE OFF TO THE EAST. HOWEVER MOIST
AIR WILL REMAIN OVER THE REGION THROUGH EARLY NEXT WEEK. THE FLOOD
THREAT SHOULD COME TO AN END BY FRIDAY WITH THE LOW MOVING AWAY
FROM THE REGION. SHOULD RETURN TO A MORE NORMAL MONSOON PATTERN
WITH STORMS IN THE MOUNTAINS AND HIGHLANDS.

VALLE

&&

.AVIATION...XPECT WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS
OVER THE MAJORITY OF THE AREA THIS AFTERNOON. ALL TAF SITES WILL SEE
SHOWERS AND BRIEF PERIODS OF THUNDERSTORMS THIS AFTERNOON. LOOK FOR
ANOTHER ROUND OF RAIN SHOWERS TOMORROW MORNING. EXPECT MOSTLY VFR
CONDITIONS EXCEPT DURING PERIODS OF HEAVY RAIN WHERE MVFR VIS AND
CIGS ARE POSSIBLE. WYATT

&&

.FIRE WEATHER...MONSOON MOISTURE CONTINUES TO POUR INTO THE AREA.
EXPECT WIDESPREAD SHOWERS AND WIDELY SCATTERED THUNDERSTORMS FOR ALL
AREAS EXCEPT NORTHERN AREAS OF ZONES OF 475 AND 476 THIS AFTERNOON.
LOOK FOR CONTINUED WIDESPREAD PRECIPITATION AND AFTERNOON WIDELY
SCATTERED THUNDERSTORMS THE REMAINDER OF THE WEEK. FLASH FLOODING IS
A CONCERN ESPECIALLY OVER BURN SCARS. TEMPERATURES WILL REMAIN ON
THE COOL SIDE AND HUMIDITY ON THE HIGH SIDE THROUGH FRIDAY.
TEMPERATURES RETURN TO MORE NORMAL READINGS OVER THE WEEKEND.
WYATT

&&

.PIH WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH THROUGH THURSDAY EVENING
IDZ018-019-022>025-031-032.

&&

In the hours before

Local storm report, Aug 5, 3:51 PM MDT, 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO ID
351 PM MDT TUE AUG 05 2014

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

0130 PM     FLASH FLOOD      3 NW POCATELLO          42.91N 112.51W
08/05/2014                   BANNOCK            ID   SOCIAL MEDIA

            SEVERAL INCHES OF WATER IN THE HIGH ESTATES TRAILER PARK
            AT 4200 N PHILBIN.

&&

EP

Local storm report, Aug 5, 3:55 PM MDT, 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO ID
355 PM MDT TUE AUG 05 2014

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

0355 PM     FLASH FLOOD      POCATELLO               42.88N 112.47W
08/05/2014                   BANNOCK            ID   SOCIAL MEDIA

            GARRETT WAY CLOSED BECAUSE OF FLOODING NEAR ALAMEDA.

&&

VALLE

Local storm report, Aug 5, 3:57 PM MDT, 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO ID
357 PM MDT TUE AUG 05 2014

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

0355 PM     FLASH FLOOD      CHUBBUCK                42.92N 112.46W
08/05/2014                   BANNOCK            ID   NWS EMPLOYEE

            HAWTHORN ROAD NEAR INTERSTATE 86 CLOSED BECAUSE OF
            FLOODING.

&&

VALLE

Local storm report, Aug 5, 4:05 PM MDT, 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO ID
405 PM MDT TUE AUG 05 2014

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

0130 PM     FLASH FLOOD      CHUBBUCK                42.92N 112.46W
08/05/2014                   BANNOCK            ID   NWS EMPLOYEE

            STANDING WATER SEVERAL INCHES DEEP ON PARK LAWN AVE AT
            YELLOWSTONE AVE.

&&

EP

Local storm report, Aug 5, 4:19 PM MDT, 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO ID
419 PM MDT TUE AUG 05 2014

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

0418 PM     FLASH FLOOD      POCATELLO               42.88N 112.47W
08/05/2014                   BANNOCK            ID   NWS EMPLOYEE

            SEVERAL INCHES OF YELLOWSTONE AND FLANDRO ROAD.

&&

VALLE

Special weather statement, Aug 5, 4:44 PM MDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
444 PM MDT TUE AUG 5 2014

IDZ019-020-032-052345-
CLARK ID-JEFFERSON ID-BUTTE ID-
444 PM MDT TUE AUG 5 2014

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  CENTRAL BUTTE COUNTY IN EAST CENTRAL IDAHO
  SOUTHWESTERN CLARK COUNTY IN EASTERN IDAHO
  NORTHWESTERN JEFFERSON COUNTY IN SOUTHEAST IDAHO

AT 436 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF THUNDERSTORMS EXTENDING FROM 10 MILES NORTH OF DUBOIS TO 16
MILES NORTHWEST OF HOWE...MOVING SOUTHWEST AT 20 MPH.

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE STORMS...ALONG WITH
HEAVY RAIN.

LOCATIONS IMPACTED INCLUDE...
   DUBOIS...SPENCER...
   HOWE...
   NORTHWEST INL AND ARCO...

LAT...LON 4389 11242 4347 11357 4398 11323 4440 11207
TIME...MOT...LOC 2243Z 026DEG 21KT 4428 11224 4394 11317

HUSTON

The office that day

Everything else NWS Pocatello, ID issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 5, 12:24 AM MDT	Special Weather Statement	PIH	Oneida	66 min
Aug 5, 6:48 AM MDT	Areal Flood Advisory	PIH	Blaine, Cassia, Minidoka	6 hr
Aug 5, 8:39 AM MDT	Flash Flood Warning	PIH	Cassia	6 hr
Aug 5, 12:29 PM MDT	Areal Flood Advisory	PIH	Bonneville, Jefferson, Madison	2 hr
Aug 5, 1:00 PM MDT	Flash Flood Warning	PIH	Bonneville, Jefferson, Madison	60 min
Aug 5, 1:09 PM MDT	Special Weather Statement	PIH	Power	51 min
Aug 5, 1:18 PM MDT	Flash Flood Warning	PIH	Bingham	3 hr
Aug 5, 1:19 PM MDT	Flash Flood Warning	PIH	Cassia, Power	3 hr
Aug 5, 1:36 PM MDT	Flash Flood Warning	PIH	Blaine, Cassia, Minidoka, Power	3 hr
Aug 5, 1:44 PM MDT	Flash Flood Warning	PIH	Bingham	2 hr
Aug 5, 2:13 PM MDT	Areal Flood Advisory	PIH	Bingham, Bonneville	62 min
Aug 5, 2:30 PM MDT	Areal Flood Advisory	PIH	Bannock, Oneida, Power	3 hr
Aug 5, 2:42 PM MDT	Flash Flood Warning	PIH	Bingham, Bonneville	3 hr
Aug 5, 2:50 PM MDT	Areal Flood Advisory	PIH	Cassia	6 hr
Aug 5, 3:01 PM MDT	Flash Flood Warning	PIH	Bingham, Bonneville	3 hr
Aug 5, 3:06 PM MDT	Flash Flood Warning	PIH	Bannock, Caribou, Power	3 hr
Aug 5, 3:30 PM MDT	Special Weather Statement	PIH	Clark	60 min
Aug 5, 3:50 PM MDT	Flash Flood Warning	PIH	Bingham	3 hr
Aug 5, 4:15 PM MDT	Flash Flood Warning	PIH	Power	3 hr
Aug 5, 4:50 PM MDT	Flash Flood Warning	PIH	Caribou	3 hr
Aug 5, 4:52 PM MDT	Special Weather Statement	PIH	Oneida	38 min
Aug 5, 5:54 PM MDT	Special Weather Statement	PIH	Clark	66 min

Nearby

Special Weather Statements in Idaho, 2014 Every special weather statement in 2014

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.