Alert archive / Arizona / Special Weather Statements in 2013
Special Weather Statement, NWS Tucson, AZ
NWS Tucson, AZ issued this special weather statement at Jul 14, 2013, 1:12 PM MST. It was in force for 48 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 14, 2013, 1:12 PM MST (20:12 UTC)
- Expired
- Jul 14, 2013, 2:00 PM MST
- In force
- 48 min
- Issued by
- NWS Tucson, AZ
The radar
The Tucson radar (KEMX), 64 km from the middle of the area, began a volume at 20:14 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
Tuscon, AZ (KTUS), launched 12:00Z, 8.2 hours before the alert went out and 36 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.
- Mixed-layer CAPE
- 897 J/kg
- Mixed-layer CIN
- -188 J/kg
- Mixed-layer LCL
- 1833 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Tucson, AZ wrote its last area forecast discussion before this special weather statement went out at Jul 14, 9:20 AM MST, 3 hours 52 minutes earlier.
Area forecast discussion, Jul 14, 9:20 AM MST, 3 hours 52 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 920 PM MST SUN JUL 14 2013 .SYNOPSIS...LIMITED THUNDERSTORM COVERAGE EXPECTED TODAY. A WEATHER SYSTEM FROM THE PLAINS STATES WILL MOVE WEST AND BEGIN TO AFFECT OUR WEATHER EARLY IN THE WEEK WITH MORE MOISTURE AND INSTABILITY. THIS WILL INCREASE THE THREAT OF SHOWERS AND THUNDERSTORMS MONDAY ONWARD WITH HIGH TEMPERATURES COOLING OFF A BIT ONCE AGAIN. && .DISCUSSION...9 AM INFRARED SATELLITE IMAGERY SHOWED FEW TO SCATTERED CLOUD COVER OVER SE AZ. PRECIPITABLE WATER VALUES ACROSS THE AREA RANGED 1.30" EAST TO 1.70" WEST BUT DRIER AIR IS NOT THAT FAR AWAY WITH PW VALUES AROUND 1" OVER CHIHUAHUA MEXICO. WATER VAPOR SHOWED A DRY TONGUE OVER CHIHUAHUA WHICH WILL PUSH NNW OVER THE AREA TODAY. SO EXPECT ISOLATED TO LOW SCATTERED COVERAGE OF STORMS. TUCSON SOUNDING SHOWED LIGHT STEERING FLOW...SO EXPECT ISOLATED HEAVY RAINERS ALTHOUGH CAN'T RULE OUT WET MICROBURST OR TWO. MAIN CONCERN FOR HEAVY RAINS AND FLASH FLOODING IS ALONG THE INTERNATIONAL BORDER FROM NOGALES TO DOUGLAS. GROUND PRETTY SATURATED IN THESE AREAS. HIGHS TODAY WILL BE NEAR MID-JULY NORMALS. INTERESTING UPCOMING WEEK FOR SE AZ. MORE ON THIS IN AFTERNOON DISCUSSION. && .AVIATION...ISOLD SHOWERS AND THUNDERSTORMS THROUGH THIS EVENING OR 15/06Z. IN THE VICINITY OF THESE STORMS...CLOUDS SCT030-040 BKN060-080 WITH WIND GUSTS NEAR 45KTS. OUTSIDE OF THUNDERSTORMS...SCT100-120 WITH DIURNAL WIND DIRECTIONS WITH SPEEDS NEAR 10KTS. AVIATION DISCUSSION NOT UPDATED FOR TAF AMENDMENTS. && .FIRE WEATHER...A SLIGHTLY DRIER AIR MASS MOVING INTO ARIZONA TODAY FOR ISOLATED TO THUNDERSTORMS AT LOWER ELEVATIONS AND SCATTERED COVERAGE NEAR THE MOUNTAINS. MINIMUM RH LEVELS TO DROP INTO THE MID 20S ACROSS THE LOWER ELEVATIONS. ON MONDAY AN UPPER LEVEL LOW WILL APPROACH FROM THE EAST INCREASING THE MOISTURE AND INSTABILITY ACROSS SOUTHERN ARIZONA. THE NUMERICAL MODELS ARE INDICATING TUESDAY WILL BE AN ACTIVE THUNDERSTORM DAY WITH TEMPERATURES FALLING BELOW AVERAGE DUE TO THE ABUNDANCE OF PRECIPITATION. CONTINUED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS THROUGHOUT THE WEEK. && .TWC WATCHES/WARNINGS/ADVISORIES...NONE. && VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
In the hours before
Special weather statement, Jul 14, 1:12 PM MST, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 112 PM MST SUN JUL 14 2013 AZZ504-506-507-514-142100- SANTA CATALINA AND RINCON MOUNTAINS INCLUDING MOUNT LEMMON/SUMMERHAVEN AZ-SOUTHEAST PINAL COUNTY INCLUDING KEARNY/MAMMOTH/ORACLE AZ-TUCSON METRO AREA INCLUDING TUCSON/GREEN VALLEY/MARANA/VAIL AZ-UPPER SAN PEDRO RIVER VALLEY INCLUDING SIERRA VISTA/BENSON AZ- 112 PM MST SUN JUL 14 2013 ...SIGNIFICANT WEATHER ADVISORY FOR EXTREME SOUTHEASTERN PINAL AND NORTHEASTERN PIMA COUNTIES UNTIL 200 PM MST... AT 110 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR SUMMERHAVEN...OR 11 MILES EAST OF ORO VALLEY. THIS STORM WAS NEARLY STATIONARY. HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. AREAS AFFECTED BY THIS STORM INCLUDE...MAINLY RURAL AREAS OF EXTREME SOUTHEASTERN PINAL AND NORTHEASTERN PIMA COUNTIES. LAT...LON 3255 11061 3230 11064 3236 11090 3254 11088 TIME...MOT...LOC 2012Z 128DEG 1KT 3244 11078 GL
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 5:26 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 49 min |
| Jul 13, 5:54 PM MST | Special Weather Statement | TWC | Cochise | 51 min |
| Jul 13, 6:00 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 45 min |
| Jul 13, 6:11 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 49 min |
| Jul 13, 6:45 PM MST | Areal Flood Advisory | TWC | Cochise | 2 hr |
| Jul 13, 7:16 PM MST | Special Weather Statement | TWC | 44 min | |
| Jul 13, 9:31 PM MST | Areal Flood Advisory | TWC | Cochise | 119 min |
| Jul 13, 10:32 PM MST | Special Weather Statement | TWC | Graham | 43 min |
| Jul 14, 1:24 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Jul 14, 2:45 PM MST | Flash Flood Watch | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 53 hr |
Nearby
Special Weather Statements in Arizona, 2013Every special weather statement in 2013
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.