221
AXUS74 KSHV 041821
DGTSHV
ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-060000-
DROUGHT INFORMATION STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
120 PM CDT TUE AUG 4 2009
...WIDESPREAD AND PROLONGED HEAVY RAINFALL HAS EASED OR ELIMINATED
DROUGHT CONDITIONS ACROSS MUCH OF THE FOUR STATE REGION...
SYNOPSIS...
A WEEKLONG PERIOD OF RAIN, SOME OF WHICH WAS HEAVY, FELL ACROSS MUCH
OF THE FOUR STATE REGION FROM JULY 26TH THROUGH AUGUST 2ND, WHICH
HAS ELIMINATED OR EASED DROUGHT CONDITIONS THAT HAVE BEEN IN PLACE
SINCE JUNE. AS A RESULT, RAINFALL AMOUNTS OF FOUR TO EIGHT INCHES,
WITH AMOUNTS IN EXCESS OF TEN INCHES, WERE OBSERVED AREAWIDE, WITH
THE EXCEPTION OF DEEP EAST TEXAS, WHICH SAW ONLY TWO TO FOUR INCHES
OF RAIN. THIS RECENT RAINFALL HAS BROUGHT THE TWO MONTH TOTALS UP TO
OR SLIGHTLY ABOVE NORMAL, ALTHOUGH ONE TO THREE INCH PLUS DEFICITS
REMAIN ACROSS DEEP EAST TEXAS AND PORTIONS OF NORTHCENTRAL LOUISIANA
MAINLY SOUTH OF INTERSTATE 20. THUS, ABNORMALLY DRY (D0) DROUGHT
CONDITIONS REMAIN OVER THESE AREAS.
SUMMARY OF IMPACTS...
AGRICULTURAL IMPACTS.
PASTURES HAVE REACTED WELL TO THE RECENT RAINFALL. IN FACT, THE RAIN
WILL ALLOW PRODUCERS TO TAKE ANOTHER CUTTING OF HAY, WHILE SOME
STOCK PONDS HAVE BEEN PARTIALLY REFILLED AS WELL.
FIRE DANGER IMPACTS.
GIVEN THE RECENT WIDESPREAD RAINFALL, FIRE DANGER IS LOW ACROSS ALL
OF EAST TEXAS, SOUTHWEST ARKANSAS, SOUTHEAST OKLAHOMA, AND NORTH
LOUISIANA. THIS HAVE RESULTED IN A LIFTING OF BURN BANS ACROSS
PORTIONS OF SOUTHWEST ARKANSAS, NORTHEAST TEXAS, AND ALL OF NORTH
LOUISIANA. HOWEVER, BURN BANS STILL REMAIN IN EFFECT FOR NACOGDOCHES
AND SHELBY COUNTIES IN DEEP EAST TEXAS.
CURRENT WATER RESTRICTIONS.
NO CURRENT WATER RESTRICTIONS ARE IN EFFECT.
CLIMATE SUMMARY...
MUCH ABOVE NORMAL PRECIPITATION FELL OVER MUCH OF THE AREA DURING
THE FINAL WEEK OF JULY. THIS RESULTED IN RAINFALL SURPLUSES FOR THE
MONTH, AND ALSO ALLOWED THE TWO MONTH DEPARTURES TO RETURN TO
NEAR/SLIGHTLY ABOVE NORMAL. BELOW IS A LIST OF RAINFALL TOTALS FROM
JUNE THROUGH EARLY AUGUST, THEIR DEPARTURES FROM NORMAL, AND THEIR
PERCENTAGE OF NORMAL, FOR SELECTED CITIES IN THE FOUR STATE REGION:
CITY: JUNE/JULY/AUGUST DEPARTURE PERCENTAGE
(THROUGH 8/3/09) FROM NORMAL OF
NORMAL
SHREVEPORT, LA 8.79 -0.55 94%
MONROE, LA 4.84 -3.41 59%
TEXARKANA, AR 11.31 +2.67 131%
EL DORADO, AR 8.17 -1.47 85%
DEQUEEN, AR 10.26 +1.28 114%
TYLER, TX 7.42 +1.40 123%
LONGVIEW, TX 7.58 -0.70 92%
LUFKIN, TX 6.35 -0.67 90%
SOUTHEAST OKLAHOMA MESONET STATIONS...
MT. HERMAN 10.19 +1.02 111%
BROKEN BOW 12.76 +3.59 139%
IDABEL 8.31 +0.05 101%
PRECIPITATION/TEMPERATURE OUTLOOK...
A LARGE BLOCKING RIDGE OF HIGH PRESSURE IN THE UPPER LEVELS OF THE
ATMOSPHERE WILL BUILD EAST ACROSS THE REGION THIS WEEK, RESULTING IN
DRY CONDITIONS AND HOT TEMPERATURES. AS THE SOIL MOISTURE CONTINUES
TO EVAPORATE OUT EACH DAY, AFTERNOON TEMPERATURES WILL GRADUALLY
WARM EACH DAY, WITH TEMPERATURES APPROACHING OR EXCEEDING THE
CENTURY MARK FOR MUCH OF THIS WEEK. WHILE THE RIDGE SHIFTS EAST INTO
THE SOUTHEAST U.S THIS WEEKEND, RESULTING IN THE SEABREEZE SHOWERS
AND THUNDERSTORMS WORKING NORTH INTO THE AREA FROM THE GULF COAST,
RAIN CHANCES MAY BEGIN TO DIMINISH BY EARLY NEXT WEEK, AS THE RIDGE
BEGINS TO BUILD BACK WEST OVER THE AREA. THUS, VERY HOT TEMPERATURES
AND MINIMAL RAIN CHANCES WILL PERSIST THROUGH AT LEAST MID-AUGUST.
SHOULD THIS PATTERN HOLD FOR AN EXTENDED PERIOD OF TIME, DROUGHT
CONDITIONS WILL WORSEN ACROSS DEEP EAST TEXAS AND PORTIONS OF
NORTHCENTRAL LOUISIANA, AND COULD RETURN ELSEWHERE ACROSS NORTHEAST
TEXAS, SOUTHEAST OKLAHOMA, SOUTHWEST ARKANSAS, AND NORTH LOUISIANA
NORTH OF THE INTERSTATE 20 CORRIDOR.
THE THREE MONTH OUTLOOK FOR AUGUST-SEPTEMBER-OCTOBER, ISSUED BY CLIMATE
PREDICTION CENTER (CPC), INDICATES EQUAL CHANCES FOR ABOVE NORMAL,
NEAR NORMAL, OR BELOW NORMAL TEMPERATURES AND RAINFALL OVER ALL OF
THE FOUR STATE REGION.
HYDROLOGIC SUMMARY AND OUTLOOK...
THE RECENT EXCESSIVE HEAVY RAINFALL HAS RESULTED IN MINOR FLOODING
OF THE LITTLE CYPRESS BAYOU NEAR JEFFERSON, TX, AND ALSO THE WHITE
OAK CREEK NEAR TALCO, TX. THE FLOODING WILL END AT BOTH LOCATIONS
LATER THIS WEEK, WITH NO ADDITIONAL FLOODING EXPECTED. ELSEWHERE,
MANY AREA LAKES, RIVERS, AND BAYOUS HAVE RETURNED TO NEAR NORMAL
POOL STAGES, ALTHOUGH STREAMFLOWS AND DISCHARGES REMAIN HIGH. THIS
WILL LIKELY PERSIST THROUGH MID-AUGUST TO ALLOW FOR FOR THE
EXCESSIVE RUNOFF TO BE ROUTED DOWNSTREAM.
NEXT ISSUANCE DATE...
SHOULD DROUGHT CONDITIONS DETERIORATE LATER THIS MONTH, THE NEXT
DROUGHT INFORMATION STATEMENT WILL BE ISSUED IN LATE AUGUST OR EARLY
SEPTEMBER. OTHERWISE, THIS WILL BE THE FINAL STATEMENT ISSUED.
RELATED WEB SITES...
NATIONAL WEATHER SERVICE SHREVEPORT HOMEPAGE: WWW.SRH.NOAA.GOV/SHV
NATIONAL INTEGRATED DROUGHT INFORMATION SYSTEM: WWW.DROUGHT.GOV
U.S. DROUGHT MONITOR: WWW.DROUGHT.UNL.EDU/DM/MONITOR.HTML
DROUGHT IMPACT REPORTER: WWW.DROUGHTREPORTER.UNL.EDU
CLIMATE PREDICTION CENTER: WWW.CPC.NCEP.NOAA.GOV
LA OFFICE OF STATE CLIMATOLOGY: WWW.LOSC.LSU.EDU
TX OFFICE OF STATE CLIMATOLOGY: WWW.MET.TAMU.EDU/OSC
OK CLIMATOLOGICAL SURVEY: HTTP://CLIMATE.OK.GOV
UNITED STATES GEOLOGICAL SURVEY: HTTP://WATER.USGS.GOV
TEXAS A&M AGRICULTURAL COMMUNICATIONS-AGNEWS: HTTP://AGNEWS.TAMU.EDU
ACKNOWLEDGEMENTS...
THE U.S. DROUGHT MONITOR FACILITATES COLLABORATION AMONGST VARIOUS
AGENCIES, INCLUDING THE NATIONAL WEATHER SERVICE, STATE
CLIMATOLOGISTS, THE CLIMATE PREDICTION CENTER, AND THE U.S. DROUGHT
MITIGATION CENTER. INFORMATION FROM THIS STATEMENT HAS BEEN GATHERED
FROM NWS/FAA OBSERVATION SITES, THE USDA, CORPS OF ENGINEERS, USGS,
TEXAS FOREST SERVICE, TEXAS INTERAGENCY COORDINATION CENTER,
ARKANSAS FORESTRY COMMISSION, AND THE OKLAHOMA FORESTRY SERVICES.
QUESTIONS OR COMMENTS...
IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS DROUGHT INFORMATION
STATEMENT, PLEASE CONTACT:
NATIONAL WEATHER SERVICE FORECAST OFFICE
5655 HOLLYWOOD AVE.
SHREVEPORT, LA 71109
PHONE: (318) 631-3669
EMAIL: SR-SHV.WEBMASTER@NOAA.GOV
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